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Finding the Third Proportional to 80,863.88 and 115,791.13

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Solution

The third proportional to 80,863.88 and 115,791.13 is: 165,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863.88 : 115,791.13 = 115,791.13 : x
  2. Step 2: Convert to fraction form
    80,863.88/115,791.13 = 115,791.13/x
  3. Step 3: Cross multiply
    80,863.88x = 115,791.13 × 115,791.13
  4. Step 4: Simplify right side
    80,863.88x = 13,407,584,628.77
  5. Step 5: Solve for x
    x = 13,407,584,628.77/80,863.88
  6. Step 6: Final answer
    x = 165,804.38

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.