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Finding the Third Proportional to 8,861.91 and 18,179.44

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Solution

The third proportional to 8,861.91 and 18,179.44 is: 37,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.91 : 18,179.44 = 18,179.44 : x
  2. Step 2: Convert to fraction form
    8,861.91/18,179.44 = 18,179.44/x
  3. Step 3: Cross multiply
    8,861.91x = 18,179.44 × 18,179.44
  4. Step 4: Simplify right side
    8,861.91x = 330,491,947.82
  5. Step 5: Solve for x
    x = 330,491,947.82/8,861.91
  6. Step 6: Final answer
    x = 37,293.55

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.