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Finding the Third Proportional to 3,965 and 5,667

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Solution

The third proportional to 3,965 and 5,667 is: 8,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965 : 5,667 = 5,667 : x
  2. Step 2: Convert to fraction form
    3,965/5,667 = 5,667/x
  3. Step 3: Cross multiply
    3,965x = 5,667 × 5,667
  4. Step 4: Simplify right side
    3,965x = 32,114,889
  5. Step 5: Solve for x
    x = 32,114,889/3,965
  6. Step 6: Final answer
    x = 8,099.59

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.