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Finding the Third Proportional to 11,508.75 and 29,791.13

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Solution

The third proportional to 11,508.75 and 29,791.13 is: 77,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508.75 : 29,791.13 = 29,791.13 : x
  2. Step 2: Convert to fraction form
    11,508.75/29,791.13 = 29,791.13/x
  3. Step 3: Cross multiply
    11,508.75x = 29,791.13 × 29,791.13
  4. Step 4: Simplify right side
    11,508.75x = 887,511,128.77
  5. Step 5: Solve for x
    x = 887,511,128.77/11,508.75
  6. Step 6: Final answer
    x = 77,116.21

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.