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Finding the Third Proportional to 3,942 and 5,995

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Solution

The third proportional to 3,942 and 5,995 is: 9,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942 : 5,995 = 5,995 : x
  2. Step 2: Convert to fraction form
    3,942/5,995 = 5,995/x
  3. Step 3: Cross multiply
    3,942x = 5,995 × 5,995
  4. Step 4: Simplify right side
    3,942x = 35,940,025
  5. Step 5: Solve for x
    x = 35,940,025/3,942
  6. Step 6: Final answer
    x = 9,117.21

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.