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Finding the Third Proportional to 87,360 and 205,359

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Solution

The third proportional to 87,360 and 205,359 is: 482,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,360 : 205,359 = 205,359 : x
  2. Step 2: Convert to fraction form
    87,360/205,359 = 205,359/x
  3. Step 3: Cross multiply
    87,360x = 205,359 × 205,359
  4. Step 4: Simplify right side
    87,360x = 42,172,318,881
  5. Step 5: Solve for x
    x = 42,172,318,881/87,360
  6. Step 6: Final answer
    x = 482,741.75

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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.