Home / 56,688-87,472

Finding the Third Proportional to 56,688 and 87,472

Calculator

Solution

The third proportional to 56,688 and 87,472 is: 134,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688 : 87,472 = 87,472 : x
  2. Step 2: Convert to fraction form
    56,688/87,472 = 87,472/x
  3. Step 3: Cross multiply
    56,688x = 87,472 × 87,472
  4. Step 4: Simplify right side
    56,688x = 7,651,350,784
  5. Step 5: Solve for x
    x = 7,651,350,784/56,688
  6. Step 6: Final answer
    x = 134,973.02

Related Problems

Find third proportional to 28,344 and 43,736
Half scale
Find third proportional to 113,376 and 174,944
Double scale
Find third proportional to 56,690 and 87,475
Similar ratio
Find third proportional to 85,032 and 131,208
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.