Free Proportion Calculator - 1) Calculates the missing link of 2 equivalent proportions or ratios.
2) Also determines if two numerical proportions that you entered such as 1/10=6/12 are equivalent or not equivalent.
Note: You can use all allowable operators such as =,<,≤,>,≥ This calculator has 4 inputs.
What 3 formulas are used for the Proportion Calculator?