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Finding the Third Proportional to 4,442 and 6,317

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Solution

The third proportional to 4,442 and 6,317 is: 8,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442 : 6,317 = 6,317 : x
  2. Step 2: Convert to fraction form
    4,442/6,317 = 6,317/x
  3. Step 3: Cross multiply
    4,442x = 6,317 × 6,317
  4. Step 4: Simplify right side
    4,442x = 39,904,489
  5. Step 5: Solve for x
    x = 39,904,489/4,442
  6. Step 6: Final answer
    x = 8,983.45

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.