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Finding the Third Proportional to 2,349 and 3,689

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Solution

The third proportional to 2,349 and 3,689 is: 5,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349 : 3,689 = 3,689 : x
  2. Step 2: Convert to fraction form
    2,349/3,689 = 3,689/x
  3. Step 3: Cross multiply
    2,349x = 3,689 × 3,689
  4. Step 4: Simplify right side
    2,349x = 13,608,721
  5. Step 5: Solve for x
    x = 13,608,721/2,349
  6. Step 6: Final answer
    x = 5,793.41

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.