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Finding the Third Proportional to 2,728 and 3,652

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Solution

The third proportional to 2,728 and 3,652 is: 4,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728 : 3,652 = 3,652 : x
  2. Step 2: Convert to fraction form
    2,728/3,652 = 3,652/x
  3. Step 3: Cross multiply
    2,728x = 3,652 × 3,652
  4. Step 4: Simplify right side
    2,728x = 13,337,104
  5. Step 5: Solve for x
    x = 13,337,104/2,728
  6. Step 6: Final answer
    x = 4,888.97

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.