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Finding the Third Proportional to 5,540 and 11,892

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Solution

The third proportional to 5,540 and 11,892 is: 25,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540 : 11,892 = 11,892 : x
  2. Step 2: Convert to fraction form
    5,540/11,892 = 11,892/x
  3. Step 3: Cross multiply
    5,540x = 11,892 × 11,892
  4. Step 4: Simplify right side
    5,540x = 141,419,664
  5. Step 5: Solve for x
    x = 141,419,664/5,540
  6. Step 6: Final answer
    x = 25,527.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.