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Finding the Third Proportional to 12,760 and 18,588

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Solution

The third proportional to 12,760 and 18,588 is: 27,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760 : 18,588 = 18,588 : x
  2. Step 2: Convert to fraction form
    12,760/18,588 = 18,588/x
  3. Step 3: Cross multiply
    12,760x = 18,588 × 18,588
  4. Step 4: Simplify right side
    12,760x = 345,513,744
  5. Step 5: Solve for x
    x = 345,513,744/12,760
  6. Step 6: Final answer
    x = 27,077.88

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.