Home / 187,808-281,655

Finding the Third Proportional to 187,808 and 281,655

Calculator

Solution

The third proportional to 187,808 and 281,655 is: 422,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,808 : 281,655 = 281,655 : x
  2. Step 2: Convert to fraction form
    187,808/281,655 = 281,655/x
  3. Step 3: Cross multiply
    187,808x = 281,655 × 281,655
  4. Step 4: Simplify right side
    187,808x = 79,329,539,025
  5. Step 5: Solve for x
    x = 79,329,539,025/187,808
  6. Step 6: Final answer
    x = 422,397.02

Related Problems

Find third proportional to 93,904 and 140,827.50
Half scale
Find third proportional to 375,616 and 563,310
Double scale
Find third proportional to 187,810 and 281,658
Similar ratio
Find third proportional to 281,712 and 422,482.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.