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Finding the Third Proportional to 2,665 and 3,608

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Solution

The third proportional to 2,665 and 3,608 is: 4,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665 : 3,608 = 3,608 : x
  2. Step 2: Convert to fraction form
    2,665/3,608 = 3,608/x
  3. Step 3: Cross multiply
    2,665x = 3,608 × 3,608
  4. Step 4: Simplify right side
    2,665x = 13,017,664
  5. Step 5: Solve for x
    x = 13,017,664/2,665
  6. Step 6: Final answer
    x = 4,884.68

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.