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Finding the Third Proportional to 7,986.38 and 16,997.25

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Solution

The third proportional to 7,986.38 and 16,997.25 is: 36,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.38 : 16,997.25 = 16,997.25 : x
  2. Step 2: Convert to fraction form
    7,986.38/16,997.25 = 16,997.25/x
  3. Step 3: Cross multiply
    7,986.38x = 16,997.25 × 16,997.25
  4. Step 4: Simplify right side
    7,986.38x = 288,906,507.56
  5. Step 5: Solve for x
    x = 288,906,507.56/7,986.38
  6. Step 6: Final answer
    x = 36,174.92

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.