Home / 87,960-207,432

Finding the Third Proportional to 87,960 and 207,432

Calculator

Solution

The third proportional to 87,960 and 207,432 is: 489,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960 : 207,432 = 207,432 : x
  2. Step 2: Convert to fraction form
    87,960/207,432 = 207,432/x
  3. Step 3: Cross multiply
    87,960x = 207,432 × 207,432
  4. Step 4: Simplify right side
    87,960x = 43,028,034,624
  5. Step 5: Solve for x
    x = 43,028,034,624/87,960
  6. Step 6: Final answer
    x = 489,177.29

Related Problems

Find third proportional to 43,980 and 103,716
Half scale
Find third proportional to 175,920 and 414,864
Double scale
Find third proportional to 87,962 and 207,437
Similar ratio
Find third proportional to 131,940 and 311,148
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.