Home / 117,418-178,374

Finding the Third Proportional to 117,418 and 178,374

Calculator

Solution

The third proportional to 117,418 and 178,374 is: 270,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,418 : 178,374 = 178,374 : x
  2. Step 2: Convert to fraction form
    117,418/178,374 = 178,374/x
  3. Step 3: Cross multiply
    117,418x = 178,374 × 178,374
  4. Step 4: Simplify right side
    117,418x = 31,817,283,876
  5. Step 5: Solve for x
    x = 31,817,283,876/117,418
  6. Step 6: Final answer
    x = 270,974.50

Related Problems

Find third proportional to 58,709 and 89,187
Half scale
Find third proportional to 234,836 and 356,748
Double scale
Find third proportional to 117,420 and 178,377
Similar ratio
Find third proportional to 176,127 and 267,561
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.