Home / 117,414-178,659

Finding the Third Proportional to 117,414 and 178,659

Calculator

Solution

The third proportional to 117,414 and 178,659 is: 271,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,414 : 178,659 = 178,659 : x
  2. Step 2: Convert to fraction form
    117,414/178,659 = 178,659/x
  3. Step 3: Cross multiply
    117,414x = 178,659 × 178,659
  4. Step 4: Simplify right side
    117,414x = 31,919,038,281
  5. Step 5: Solve for x
    x = 31,919,038,281/117,414
  6. Step 6: Final answer
    x = 271,850.36

Related Problems

Find third proportional to 58,707 and 89,329.50
Half scale
Find third proportional to 234,828 and 357,318
Double scale
Find third proportional to 117,416 and 178,662
Similar ratio
Find third proportional to 176,121 and 267,988.50
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.