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Finding the Third Proportional to 2,379 and 3,549

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Solution

The third proportional to 2,379 and 3,549 is: 5,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379 : 3,549 = 3,549 : x
  2. Step 2: Convert to fraction form
    2,379/3,549 = 3,549/x
  3. Step 3: Cross multiply
    2,379x = 3,549 × 3,549
  4. Step 4: Simplify right side
    2,379x = 12,595,401
  5. Step 5: Solve for x
    x = 12,595,401/2,379
  6. Step 6: Final answer
    x = 5,294.41

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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.