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Finding the Third Proportional to 4,181 and 7,997

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Solution

The third proportional to 4,181 and 7,997 is: 15,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181 : 7,997 = 7,997 : x
  2. Step 2: Convert to fraction form
    4,181/7,997 = 7,997/x
  3. Step 3: Cross multiply
    4,181x = 7,997 × 7,997
  4. Step 4: Simplify right side
    4,181x = 63,952,009
  5. Step 5: Solve for x
    x = 63,952,009/4,181
  6. Step 6: Final answer
    x = 15,295.86

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.