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Finding the Third Proportional to 27,243 and 58,374

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Solution

The third proportional to 27,243 and 58,374 is: 125,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243 : 58,374 = 58,374 : x
  2. Step 2: Convert to fraction form
    27,243/58,374 = 58,374/x
  3. Step 3: Cross multiply
    27,243x = 58,374 × 58,374
  4. Step 4: Simplify right side
    27,243x = 3,407,523,876
  5. Step 5: Solve for x
    x = 3,407,523,876/27,243
  6. Step 6: Final answer
    x = 125,078.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.