Home / 430,536-663,972

Finding the Third Proportional to 430,536 and 663,972

Calculator

Solution

The third proportional to 430,536 and 663,972 is: 1,023,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,536 : 663,972 = 663,972 : x
  2. Step 2: Convert to fraction form
    430,536/663,972 = 663,972/x
  3. Step 3: Cross multiply
    430,536x = 663,972 × 663,972
  4. Step 4: Simplify right side
    430,536x = 440,858,816,784
  5. Step 5: Solve for x
    x = 440,858,816,784/430,536
  6. Step 6: Final answer
    x = 1,023,976.66

Related Problems

Find third proportional to 215,268 and 331,986
Half scale
Find third proportional to 861,072 and 1,327,944
Double scale
Find third proportional to 430,538 and 663,975
Similar ratio
Find third proportional to 645,804 and 995,958
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.