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Finding the Third Proportional to 3,357 and 3,663

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Solution

The third proportional to 3,357 and 3,663 is: 3,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357 : 3,663 = 3,663 : x
  2. Step 2: Convert to fraction form
    3,357/3,663 = 3,663/x
  3. Step 3: Cross multiply
    3,357x = 3,663 × 3,663
  4. Step 4: Simplify right side
    3,357x = 13,417,569
  5. Step 5: Solve for x
    x = 13,417,569/3,357
  6. Step 6: Final answer
    x = 3,996.89

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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.