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Finding the Third Proportional to 63,306 and 138,374

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Solution

The third proportional to 63,306 and 138,374 is: 302,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,306 : 138,374 = 138,374 : x
  2. Step 2: Convert to fraction form
    63,306/138,374 = 138,374/x
  3. Step 3: Cross multiply
    63,306x = 138,374 × 138,374
  4. Step 4: Simplify right side
    63,306x = 19,147,363,876
  5. Step 5: Solve for x
    x = 19,147,363,876/63,306
  6. Step 6: Final answer
    x = 302,457.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.