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Finding the Third Proportional to 13,691.25 and 29,936.25

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Solution

The third proportional to 13,691.25 and 29,936.25 is: 65,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691.25 : 29,936.25 = 29,936.25 : x
  2. Step 2: Convert to fraction form
    13,691.25/29,936.25 = 29,936.25/x
  3. Step 3: Cross multiply
    13,691.25x = 29,936.25 × 29,936.25
  4. Step 4: Simplify right side
    13,691.25x = 896,179,064.06
  5. Step 5: Solve for x
    x = 896,179,064.06/13,691.25
  6. Step 6: Final answer
    x = 65,456.34

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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.