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Finding the Third Proportional to 87.38 and 204.94

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Solution

The third proportional to 87.38 and 204.94 is: 480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87.38 : 204.94 = 204.94 : x
  2. Step 2: Convert to fraction form
    87.38/204.94 = 204.94/x
  3. Step 3: Cross multiply
    87.38x = 204.94 × 204.94
  4. Step 4: Simplify right side
    87.38x = 41,999.38
  5. Step 5: Solve for x
    x = 41,999.38/87.38
  6. Step 6: Final answer
    x = 480.68

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.