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Finding the Third Proportional to 6,936.13 and 15,167.69

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Solution

The third proportional to 6,936.13 and 15,167.69 is: 33,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.13 : 15,167.69 = 15,167.69 : x
  2. Step 2: Convert to fraction form
    6,936.13/15,167.69 = 15,167.69/x
  3. Step 3: Cross multiply
    6,936.13x = 15,167.69 × 15,167.69
  4. Step 4: Simplify right side
    6,936.13x = 230,058,744.10
  5. Step 5: Solve for x
    x = 230,058,744.10/6,936.13
  6. Step 6: Final answer
    x = 33,168.19

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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.