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Finding the Third Proportional to 4,407 and 5,982

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Solution

The third proportional to 4,407 and 5,982 is: 8,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407 : 5,982 = 5,982 : x
  2. Step 2: Convert to fraction form
    4,407/5,982 = 5,982/x
  3. Step 3: Cross multiply
    4,407x = 5,982 × 5,982
  4. Step 4: Simplify right side
    4,407x = 35,784,324
  5. Step 5: Solve for x
    x = 35,784,324/4,407
  6. Step 6: Final answer
    x = 8,119.88

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.