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Finding the Third Proportional to 4,001 and 8,413

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Solution

The third proportional to 4,001 and 8,413 is: 17,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001 : 8,413 = 8,413 : x
  2. Step 2: Convert to fraction form
    4,001/8,413 = 8,413/x
  3. Step 3: Cross multiply
    4,001x = 8,413 × 8,413
  4. Step 4: Simplify right side
    4,001x = 70,778,569
  5. Step 5: Solve for x
    x = 70,778,569/4,001
  6. Step 6: Final answer
    x = 17,690.22

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.