Solve ratios, proportions, and ratio-related problems.
Simplify a ratio to its lowest terms (e.g., 8:12 becomes 2:3)
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Solve for the missing value in a proportion (a/b = c/x). Enter three values to find the fourth.
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Split a total amount according to a given ratio (e.g., split $100 in ratio 2:3)
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Compare two ratios to see which is larger or if they are equal
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