Home / 87,480-178,651

Finding the Third Proportional to 87,480 and 178,651

Calculator

Solution

The third proportional to 87,480 and 178,651 is: 364,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480 : 178,651 = 178,651 : x
  2. Step 2: Convert to fraction form
    87,480/178,651 = 178,651/x
  3. Step 3: Cross multiply
    87,480x = 178,651 × 178,651
  4. Step 4: Simplify right side
    87,480x = 31,916,179,801
  5. Step 5: Solve for x
    x = 31,916,179,801/87,480
  6. Step 6: Final answer
    x = 364,839.73

Related Problems

Find third proportional to 43,740 and 89,325.50
Half scale
Find third proportional to 174,960 and 357,302
Double scale
Find third proportional to 87,482 and 178,655
Similar ratio
Find third proportional to 131,220 and 267,976.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.