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Finding the Third Proportional to 3,168 and 5,089

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Solution

The third proportional to 3,168 and 5,089 is: 8,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168 : 5,089 = 5,089 : x
  2. Step 2: Convert to fraction form
    3,168/5,089 = 5,089/x
  3. Step 3: Cross multiply
    3,168x = 5,089 × 5,089
  4. Step 4: Simplify right side
    3,168x = 25,897,921
  5. Step 5: Solve for x
    x = 25,897,921/3,168
  6. Step 6: Final answer
    x = 8,174.85

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.