Home / 72,776-156,712

Finding the Third Proportional to 72,776 and 156,712

Calculator

Solution

The third proportional to 72,776 and 156,712 is: 337,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,776 : 156,712 = 156,712 : x
  2. Step 2: Convert to fraction form
    72,776/156,712 = 156,712/x
  3. Step 3: Cross multiply
    72,776x = 156,712 × 156,712
  4. Step 4: Simplify right side
    72,776x = 24,558,650,944
  5. Step 5: Solve for x
    x = 24,558,650,944/72,776
  6. Step 6: Final answer
    x = 337,455.36

Related Problems

Find third proportional to 36,388 and 78,356
Half scale
Find third proportional to 145,552 and 313,424
Double scale
Find third proportional to 72,778 and 156,716
Similar ratio
Find third proportional to 109,164 and 235,068
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.