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Finding the Third Proportional to 3,230 and 4,379

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Solution

The third proportional to 3,230 and 4,379 is: 5,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230 : 4,379 = 4,379 : x
  2. Step 2: Convert to fraction form
    3,230/4,379 = 4,379/x
  3. Step 3: Cross multiply
    3,230x = 4,379 × 4,379
  4. Step 4: Simplify right side
    3,230x = 19,175,641
  5. Step 5: Solve for x
    x = 19,175,641/3,230
  6. Step 6: Final answer
    x = 5,936.73

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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.