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Finding the Third Proportional to 3,740 and 7,372

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Solution

The third proportional to 3,740 and 7,372 is: 14,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740 : 7,372 = 7,372 : x
  2. Step 2: Convert to fraction form
    3,740/7,372 = 7,372/x
  3. Step 3: Cross multiply
    3,740x = 7,372 × 7,372
  4. Step 4: Simplify right side
    3,740x = 54,346,384
  5. Step 5: Solve for x
    x = 54,346,384/3,740
  6. Step 6: Final answer
    x = 14,531.12

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.