Home / 63,612-135,432

Finding the Third Proportional to 63,612 and 135,432

Calculator

Solution

The third proportional to 63,612 and 135,432 is: 288,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,612 : 135,432 = 135,432 : x
  2. Step 2: Convert to fraction form
    63,612/135,432 = 135,432/x
  3. Step 3: Cross multiply
    63,612x = 135,432 × 135,432
  4. Step 4: Simplify right side
    63,612x = 18,341,826,624
  5. Step 5: Solve for x
    x = 18,341,826,624/63,612
  6. Step 6: Final answer
    x = 288,339.10

Related Problems

Find third proportional to 31,806 and 67,716
Half scale
Find third proportional to 127,224 and 270,864
Double scale
Find third proportional to 63,614 and 135,436
Similar ratio
Find third proportional to 95,418 and 203,148
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.