Home / 65,909-155,521

Finding the Third Proportional to 65,909 and 155,521

Calculator

Solution

The third proportional to 65,909 and 155,521 is: 366,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,909 : 155,521 = 155,521 : x
  2. Step 2: Convert to fraction form
    65,909/155,521 = 155,521/x
  3. Step 3: Cross multiply
    65,909x = 155,521 × 155,521
  4. Step 4: Simplify right side
    65,909x = 24,186,781,441
  5. Step 5: Solve for x
    x = 24,186,781,441/65,909
  6. Step 6: Final answer
    x = 366,972.36

Related Problems

Find third proportional to 32,954.50 and 77,760.50
Half scale
Find third proportional to 131,818 and 311,042
Double scale
Find third proportional to 65,911 and 155,526
Similar ratio
Find third proportional to 98,863.50 and 233,281.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.