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Finding the Third Proportional to 5,481 and 12,699

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Solution

The third proportional to 5,481 and 12,699 is: 29,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481 : 12,699 = 12,699 : x
  2. Step 2: Convert to fraction form
    5,481/12,699 = 12,699/x
  3. Step 3: Cross multiply
    5,481x = 12,699 × 12,699
  4. Step 4: Simplify right side
    5,481x = 161,264,601
  5. Step 5: Solve for x
    x = 161,264,601/5,481
  6. Step 6: Final answer
    x = 29,422.48

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.