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Finding the Third Proportional to 3,717 and 5,979.38

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Solution

The third proportional to 3,717 and 5,979.38 is: 9,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717 : 5,979.38 = 5,979.38 : x
  2. Step 2: Convert to fraction form
    3,717/5,979.38 = 5,979.38/x
  3. Step 3: Cross multiply
    3,717x = 5,979.38 × 5,979.38
  4. Step 4: Simplify right side
    3,717x = 35,752,925.39
  5. Step 5: Solve for x
    x = 35,752,925.39/3,717
  6. Step 6: Final answer
    x = 9,618.76

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.