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Finding the Third Proportional to 12,757.50 and 27,081

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Solution

The third proportional to 12,757.50 and 27,081 is: 57,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.50 : 27,081 = 27,081 : x
  2. Step 2: Convert to fraction form
    12,757.50/27,081 = 27,081/x
  3. Step 3: Cross multiply
    12,757.50x = 27,081 × 27,081
  4. Step 4: Simplify right side
    12,757.50x = 733,380,561
  5. Step 5: Solve for x
    x = 733,380,561/12,757.50
  6. Step 6: Final answer
    x = 57,486.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.