Solve ratios, find missing values, and scale proportions easily.
Find X in: A:B = C:X
A ratio compares two quantities. It can be written as A:B, A/B, or "A to B." Ratios are used in cooking, mixing, scaling, and many applications.
Example: If 2:3 = 10:X, find X
X = (3 × 10) ÷ 2 = 30 ÷ 2 = 15