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Finding the Third Proportional to 8,279.72 and 18,098.44

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Solution

The third proportional to 8,279.72 and 18,098.44 is: 39,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.72 : 18,098.44 = 18,098.44 : x
  2. Step 2: Convert to fraction form
    8,279.72/18,098.44 = 18,098.44/x
  3. Step 3: Cross multiply
    8,279.72x = 18,098.44 × 18,098.44
  4. Step 4: Simplify right side
    8,279.72x = 327,553,439.94
  5. Step 5: Solve for x
    x = 327,553,439.94/8,279.72
  6. Step 6: Final answer
    x = 39,560.94

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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.