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Finding the Third Proportional to 12,313 and 27,087

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Solution

The third proportional to 12,313 and 27,087 is: 59,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313 : 27,087 = 27,087 : x
  2. Step 2: Convert to fraction form
    12,313/27,087 = 27,087/x
  3. Step 3: Cross multiply
    12,313x = 27,087 × 27,087
  4. Step 4: Simplify right side
    12,313x = 733,705,569
  5. Step 5: Solve for x
    x = 733,705,569/12,313
  6. Step 6: Final answer
    x = 59,587.88

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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.