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Finding the Third Proportional to 3,786.75 and 8,294.91

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Solution

The third proportional to 3,786.75 and 8,294.91 is: 18,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.75 : 8,294.91 = 8,294.91 : x
  2. Step 2: Convert to fraction form
    3,786.75/8,294.91 = 8,294.91/x
  3. Step 3: Cross multiply
    3,786.75x = 8,294.91 × 8,294.91
  4. Step 4: Simplify right side
    3,786.75x = 68,805,469.70
  5. Step 5: Solve for x
    x = 68,805,469.70/3,786.75
  6. Step 6: Final answer
    x = 18,170.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.