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Finding the Third Proportional to 2,011 and 4,151

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Solution

The third proportional to 2,011 and 4,151 is: 8,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011 : 4,151 = 4,151 : x
  2. Step 2: Convert to fraction form
    2,011/4,151 = 4,151/x
  3. Step 3: Cross multiply
    2,011x = 4,151 × 4,151
  4. Step 4: Simplify right side
    2,011x = 17,230,801
  5. Step 5: Solve for x
    x = 17,230,801/2,011
  6. Step 6: Final answer
    x = 8,568.27

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.