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Finding the Third Proportional to 3,106 and 5,051

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Solution

The third proportional to 3,106 and 5,051 is: 8,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106 : 5,051 = 5,051 : x
  2. Step 2: Convert to fraction form
    3,106/5,051 = 5,051/x
  3. Step 3: Cross multiply
    3,106x = 5,051 × 5,051
  4. Step 4: Simplify right side
    3,106x = 25,512,601
  5. Step 5: Solve for x
    x = 25,512,601/3,106
  6. Step 6: Final answer
    x = 8,213.97

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.