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Finding the Third Proportional to 3,976.59 and 8,748

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Solution

The third proportional to 3,976.59 and 8,748 is: 19,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.59 : 8,748 = 8,748 : x
  2. Step 2: Convert to fraction form
    3,976.59/8,748 = 8,748/x
  3. Step 3: Cross multiply
    3,976.59x = 8,748 × 8,748
  4. Step 4: Simplify right side
    3,976.59x = 76,527,504
  5. Step 5: Solve for x
    x = 76,527,504/3,976.59
  6. Step 6: Final answer
    x = 19,244.49

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.