Rule of three and direct/inverse proportion solver (A/B = C/D). Solve for any unknown variable with clear step-by-step formulas.
If A corresponds to B, then C corresponds to X: X = (B * C) / A.
Simplify ratios, find equivalent ratios, and divide amounts into proportional parts.
Открыть калькулятор →MATH.FRACAdd, subtract, multiply, and divide fractions with auto-simplification and decimal conversion.
Открыть калькулятор →MATH.PCTCalculate what is X% of Y, what percentage a number is of another, and percentage shifts.
Открыть калькулятор →UTIL.UNITPRICECompare items of different weights, volumes, or pack sizes to find the best grocery bargain.
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