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Finding the Third Proportional to 61,636 and 135,294

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Solution

The third proportional to 61,636 and 135,294 is: 296,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,636 : 135,294 = 135,294 : x
  2. Step 2: Convert to fraction form
    61,636/135,294 = 135,294/x
  3. Step 3: Cross multiply
    61,636x = 135,294 × 135,294
  4. Step 4: Simplify right side
    61,636x = 18,304,466,436
  5. Step 5: Solve for x
    x = 18,304,466,436/61,636
  6. Step 6: Final answer
    x = 296,976.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.