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Finding the Third Proportional to 12,921 and 27,525

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Solution

The third proportional to 12,921 and 27,525 is: 58,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,921 : 27,525 = 27,525 : x
  2. Step 2: Convert to fraction form
    12,921/27,525 = 27,525/x
  3. Step 3: Cross multiply
    12,921x = 27,525 × 27,525
  4. Step 4: Simplify right side
    12,921x = 757,625,625
  5. Step 5: Solve for x
    x = 757,625,625/12,921
  6. Step 6: Final answer
    x = 58,635.22

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.