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Finding the Third Proportional to 138,745 and 207,552

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Solution

The third proportional to 138,745 and 207,552 is: 310,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,745 : 207,552 = 207,552 : x
  2. Step 2: Convert to fraction form
    138,745/207,552 = 207,552/x
  3. Step 3: Cross multiply
    138,745x = 207,552 × 207,552
  4. Step 4: Simplify right side
    138,745x = 43,077,832,704
  5. Step 5: Solve for x
    x = 43,077,832,704/138,745
  6. Step 6: Final answer
    x = 310,482.05

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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.