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Finding the Third Proportional to 3,363 and 3,687

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Solution

The third proportional to 3,363 and 3,687 is: 4,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363 : 3,687 = 3,687 : x
  2. Step 2: Convert to fraction form
    3,363/3,687 = 3,687/x
  3. Step 3: Cross multiply
    3,363x = 3,687 × 3,687
  4. Step 4: Simplify right side
    3,363x = 13,593,969
  5. Step 5: Solve for x
    x = 13,593,969/3,363
  6. Step 6: Final answer
    x = 4,042.21

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.