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Finding the Third Proportional to 12,462.50 and 27,517

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Solution

The third proportional to 12,462.50 and 27,517 is: 60,757.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.50 : 27,517 = 27,517 : x
  2. Step 2: Convert to fraction form
    12,462.50/27,517 = 27,517/x
  3. Step 3: Cross multiply
    12,462.50x = 27,517 × 27,517
  4. Step 4: Simplify right side
    12,462.50x = 757,185,289
  5. Step 5: Solve for x
    x = 757,185,289/12,462.50
  6. Step 6: Final answer
    x = 60,757.09

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.