Home / 87,864-207,314

Finding the Third Proportional to 87,864 and 207,314

Calculator

Solution

The third proportional to 87,864 and 207,314 is: 489,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,864 : 207,314 = 207,314 : x
  2. Step 2: Convert to fraction form
    87,864/207,314 = 207,314/x
  3. Step 3: Cross multiply
    87,864x = 207,314 × 207,314
  4. Step 4: Simplify right side
    87,864x = 42,979,094,596
  5. Step 5: Solve for x
    x = 42,979,094,596/87,864
  6. Step 6: Final answer
    x = 489,154.77

Related Problems

Find third proportional to 43,932 and 103,657
Half scale
Find third proportional to 175,728 and 414,628
Double scale
Find third proportional to 87,866 and 207,319
Similar ratio
Find third proportional to 131,796 and 310,971
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.