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Finding the Third Proportional to 71,352 and 153,744

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Solution

The third proportional to 71,352 and 153,744 is: 331,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,352 : 153,744 = 153,744 : x
  2. Step 2: Convert to fraction form
    71,352/153,744 = 153,744/x
  3. Step 3: Cross multiply
    71,352x = 153,744 × 153,744
  4. Step 4: Simplify right side
    71,352x = 23,637,217,536
  5. Step 5: Solve for x
    x = 23,637,217,536/71,352
  6. Step 6: Final answer
    x = 331,276.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.