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Finding the Third Proportional to 3,519 and 3,843

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Solution

The third proportional to 3,519 and 3,843 is: 4,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519 : 3,843 = 3,843 : x
  2. Step 2: Convert to fraction form
    3,519/3,843 = 3,843/x
  3. Step 3: Cross multiply
    3,519x = 3,843 × 3,843
  4. Step 4: Simplify right side
    3,519x = 14,768,649
  5. Step 5: Solve for x
    x = 14,768,649/3,519
  6. Step 6: Final answer
    x = 4,196.83

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.