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Using ratio, proportion, and rates. Brought to you by Math League Multimedia. ... When one of the four numbers in a proportion is unknown, cross products may be used to find the unknown number. This is called solving the proportion. Question marks or letters are frequently used in place of the unknown number.
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www.mathleague.com/help/ratio/ratio.htm
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A proportion is a name we give to a statement that two ratios are equal. It can be written in two ways: ... two equal fractions, ... When two ratios are equal, then the cross products of the ratios are equal.
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www.math.com/school/subject1/lessons/S1U2L2GL.html
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Proportion - Definition of Proportion at Dictionary.com a free online dictionary with pronunciation, synonyms, and translation of Proportion. Word of the Day and Crossword Puzzles. ... proper relation between things or parts: to have tastes way out of proportion to one's financial means.
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dictionary.reference.com/browse/proportion
dictionary.reference.com/browse/proportion
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This lesson explains the basics of proportions and how to solve them. ... A proportion is a special form of an algebra equation. It is used to compare two ratios or make equivalent fractions. A ratio is a comparison between two values. Such as the following:
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www.algebrahelp.com/lessons/proportionbasics/
www.algebrahelp.com/lessons/proportionbasics/
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If either side of the proportion has a numerator and denominator that share a common factor with a variable, the calculator will report an erroneous solution. Example: 1/2 = x/x will cause the calculator to report 0 as a solution, even though there is no solution.
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www.algebrahelp.com/calculators/equation/proportions/pg...
www.algebrahelp.com/calculators/equation/proportions/pg2.htm
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Proportion (architecture) - Wikipedia, the free encyclopedia
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Proportion is the relation between elements and a whole. In architecture the whole is not just a building but the set and setting of the site. The things that make a building and its site "well shape...
en.wikipedia.org/wiki/Proportion_(architecture)
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Ratio and proportion module index page - your gateway to an activity, a quiz, a factsheet and a worksheets that will help you understand ratios and direct proportion. Dividing quantities. Scaling quantities up or down. ... Discover how good you are at finding the right ratio or proportion.
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www.bbc.co.uk/skillswise/numbers/wholenumbers/ratioandp...
www.bbc.co.uk/skillswise/numbers/wholenumbers/ratioandproportion/ratio/
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Ratio and proportio ... ; You are in : Numbers / Whole numbers / ... 'Ratio and proportion' gam...
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www.bbc.co.uk/skillswise/numbers/wholenumbers/ratioandp...
www.bbc.co.uk/skillswise/numbers/wholenumbers/ratioandproportion/ratio/game.shtml
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[prə-pôŕshən, -pōŕ-]
