Home / 69,132-161,885

Finding the Third Proportional to 69,132 and 161,885

Calculator

Solution

The third proportional to 69,132 and 161,885 is: 379,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,132 : 161,885 = 161,885 : x
  2. Step 2: Convert to fraction form
    69,132/161,885 = 161,885/x
  3. Step 3: Cross multiply
    69,132x = 161,885 × 161,885
  4. Step 4: Simplify right side
    69,132x = 26,206,753,225
  5. Step 5: Solve for x
    x = 26,206,753,225/69,132
  6. Step 6: Final answer
    x = 379,082.82

Related Problems

Find third proportional to 34,566 and 80,942.50
Half scale
Find third proportional to 138,264 and 323,770
Double scale
Find third proportional to 69,134 and 161,890
Similar ratio
Find third proportional to 103,698 and 242,827.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.