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Finding the Third Proportional to 3,369 and 3,603

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Solution

The third proportional to 3,369 and 3,603 is: 3,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369 : 3,603 = 3,603 : x
  2. Step 2: Convert to fraction form
    3,369/3,603 = 3,603/x
  3. Step 3: Cross multiply
    3,369x = 3,603 × 3,603
  4. Step 4: Simplify right side
    3,369x = 12,981,609
  5. Step 5: Solve for x
    x = 12,981,609/3,369
  6. Step 6: Final answer
    x = 3,853.25

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.