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Finding the Third Proportional to 3,744 and 7,972.88

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Solution

The third proportional to 3,744 and 7,972.88 is: 16,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744 : 7,972.88 = 7,972.88 : x
  2. Step 2: Convert to fraction form
    3,744/7,972.88 = 7,972.88/x
  3. Step 3: Cross multiply
    3,744x = 7,972.88 × 7,972.88
  4. Step 4: Simplify right side
    3,744x = 63,566,735.77
  5. Step 5: Solve for x
    x = 63,566,735.77/3,744
  6. Step 6: Final answer
    x = 16,978.29

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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.