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Finding the Third Proportional to 2,379 and 3,569

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Solution

The third proportional to 2,379 and 3,569 is: 5,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379 : 3,569 = 3,569 : x
  2. Step 2: Convert to fraction form
    2,379/3,569 = 3,569/x
  3. Step 3: Cross multiply
    2,379x = 3,569 × 3,569
  4. Step 4: Simplify right side
    2,379x = 12,737,761
  5. Step 5: Solve for x
    x = 12,737,761/2,379
  6. Step 6: Final answer
    x = 5,354.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.