Home / 117,862-178,505

Finding the Third Proportional to 117,862 and 178,505

Calculator

Solution

The third proportional to 117,862 and 178,505 is: 270,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,862 : 178,505 = 178,505 : x
  2. Step 2: Convert to fraction form
    117,862/178,505 = 178,505/x
  3. Step 3: Cross multiply
    117,862x = 178,505 × 178,505
  4. Step 4: Simplify right side
    117,862x = 31,864,035,025
  5. Step 5: Solve for x
    x = 31,864,035,025/117,862
  6. Step 6: Final answer
    x = 270,350.37

Related Problems

Find third proportional to 58,931 and 89,252.50
Half scale
Find third proportional to 235,724 and 357,010
Double scale
Find third proportional to 117,864 and 178,508
Similar ratio
Find third proportional to 176,793 and 267,757.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.