Mathwords: Joint Variation
www.mathwords.com › jk › joint_variationJoint Variation Jointly Proportional When we say z is jointly proportional to a set of variables, it means that z is directly proportional to each variable taken one at a time. If z varies jointly with respect to x and y , the equation will be of the form z = kxy (where k is a constant). Equation: c = 5 ab
Proportion Calculator
www.thecalculator.co › math › Proportion-CalculatorThe formulas used by this proportion calculator are: if you enter only A and B in order to determine the C and D figures, it multiplies both A and B by 2 in order to return true ratio values for C and D. if you complete the A, B and C to find the D value, it solves the expression in which D = C * (B / A).