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Finding the Third Proportional to 12,757.50 and 27,957

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Solution

The third proportional to 12,757.50 and 27,957 is: 61,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.50 : 27,957 = 27,957 : x
  2. Step 2: Convert to fraction form
    12,757.50/27,957 = 27,957/x
  3. Step 3: Cross multiply
    12,757.50x = 27,957 × 27,957
  4. Step 4: Simplify right side
    12,757.50x = 781,593,849
  5. Step 5: Solve for x
    x = 781,593,849/12,757.50
  6. Step 6: Final answer
    x = 61,265.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.