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Finding the Third Proportional to 4,879.88 and 11,508.19

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Solution

The third proportional to 4,879.88 and 11,508.19 is: 27,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.88 : 11,508.19 = 11,508.19 : x
  2. Step 2: Convert to fraction form
    4,879.88/11,508.19 = 11,508.19/x
  3. Step 3: Cross multiply
    4,879.88x = 11,508.19 × 11,508.19
  4. Step 4: Simplify right side
    4,879.88x = 132,438,379.54
  5. Step 5: Solve for x
    x = 132,438,379.54/4,879.88
  6. Step 6: Final answer
    x = 27,139.71

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.