Home / 178,591-243,207

Finding the Third Proportional to 178,591 and 243,207

Calculator

Solution

The third proportional to 178,591 and 243,207 is: 331,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,591 : 243,207 = 243,207 : x
  2. Step 2: Convert to fraction form
    178,591/243,207 = 243,207/x
  3. Step 3: Cross multiply
    178,591x = 243,207 × 243,207
  4. Step 4: Simplify right side
    178,591x = 59,149,644,849
  5. Step 5: Solve for x
    x = 59,149,644,849/178,591
  6. Step 6: Final answer
    x = 331,201.71

Related Problems

Find third proportional to 89,295.50 and 121,603.50
Half scale
Find third proportional to 357,182 and 486,414
Double scale
Find third proportional to 178,593 and 243,210
Similar ratio
Find third proportional to 267,886.50 and 364,810.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.