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Finding the Third Proportional to 4,021 and 5,992

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Solution

The third proportional to 4,021 and 5,992 is: 8,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021 : 5,992 = 5,992 : x
  2. Step 2: Convert to fraction form
    4,021/5,992 = 5,992/x
  3. Step 3: Cross multiply
    4,021x = 5,992 × 5,992
  4. Step 4: Simplify right side
    4,021x = 35,904,064
  5. Step 5: Solve for x
    x = 35,904,064/4,021
  6. Step 6: Final answer
    x = 8,929.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.