Home / 87,963-207,438

Finding the Third Proportional to 87,963 and 207,438

Calculator

Solution

The third proportional to 87,963 and 207,438 is: 489,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,963 : 207,438 = 207,438 : x
  2. Step 2: Convert to fraction form
    87,963/207,438 = 207,438/x
  3. Step 3: Cross multiply
    87,963x = 207,438 × 207,438
  4. Step 4: Simplify right side
    87,963x = 43,030,523,844
  5. Step 5: Solve for x
    x = 43,030,523,844/87,963
  6. Step 6: Final answer
    x = 489,188.91

Related Problems

Find third proportional to 43,981.50 and 103,719
Half scale
Find third proportional to 175,926 and 414,876
Double scale
Find third proportional to 87,965 and 207,443
Similar ratio
Find third proportional to 131,944.50 and 311,157
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.