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Ratio

Definition

The ratio refers to the comparison between two quantities or values. It expresses how many times one value is contained within another value.

Analogy

Imagine you have a bag with red and blue marbles. The ratio of red marbles to blue marbles would be like saying "for every 3 red marbles, there are 2 blue marbles."

Related terms

Rate Ratio: The comparison between two different rates or speeds.

Golden Ratio: An irrational number approximately equal to 1.61803 which exhibits unique mathematical properties and aesthetic appeal.

Proportional Relationship: When two variables have a constant ratio and change in direct proportion to each other.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.