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Finding the Third Proportional to 71,574 and 155,452

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Solution

The third proportional to 71,574 and 155,452 is: 337,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,574 : 155,452 = 155,452 : x
  2. Step 2: Convert to fraction form
    71,574/155,452 = 155,452/x
  3. Step 3: Cross multiply
    71,574x = 155,452 × 155,452
  4. Step 4: Simplify right side
    71,574x = 24,165,324,304
  5. Step 5: Solve for x
    x = 24,165,324,304/71,574
  6. Step 6: Final answer
    x = 337,627.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.