Home / 72,742-156,955

Finding the Third Proportional to 72,742 and 156,955

Calculator

Solution

The third proportional to 72,742 and 156,955 is: 338,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,742 : 156,955 = 156,955 : x
  2. Step 2: Convert to fraction form
    72,742/156,955 = 156,955/x
  3. Step 3: Cross multiply
    72,742x = 156,955 × 156,955
  4. Step 4: Simplify right side
    72,742x = 24,634,872,025
  5. Step 5: Solve for x
    x = 24,634,872,025/72,742
  6. Step 6: Final answer
    x = 338,660.91

Related Problems

Find third proportional to 36,371 and 78,477.50
Half scale
Find third proportional to 145,484 and 313,910
Double scale
Find third proportional to 72,744 and 156,959
Similar ratio
Find third proportional to 109,113 and 235,432.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.