Home / 71,931-156,985

Finding the Third Proportional to 71,931 and 156,985

Calculator

Solution

The third proportional to 71,931 and 156,985 is: 342,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,931 : 156,985 = 156,985 : x
  2. Step 2: Convert to fraction form
    71,931/156,985 = 156,985/x
  3. Step 3: Cross multiply
    71,931x = 156,985 × 156,985
  4. Step 4: Simplify right side
    71,931x = 24,644,290,225
  5. Step 5: Solve for x
    x = 24,644,290,225/71,931
  6. Step 6: Final answer
    x = 342,610.14

Related Problems

Find third proportional to 35,965.50 and 78,492.50
Half scale
Find third proportional to 143,862 and 313,970
Double scale
Find third proportional to 71,933 and 156,989
Similar ratio
Find third proportional to 107,896.50 and 235,477.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.