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Finding the Third Proportional to 3,995 and 8,683

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Solution

The third proportional to 3,995 and 8,683 is: 18,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995 : 8,683 = 8,683 : x
  2. Step 2: Convert to fraction form
    3,995/8,683 = 8,683/x
  3. Step 3: Cross multiply
    3,995x = 8,683 × 8,683
  4. Step 4: Simplify right side
    3,995x = 75,394,489
  5. Step 5: Solve for x
    x = 75,394,489/3,995
  6. Step 6: Final answer
    x = 18,872.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.