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Finding the Third Proportional to 1,001 and 2,081

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Solution

The third proportional to 1,001 and 2,081 is: 4,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001 : 2,081 = 2,081 : x
  2. Step 2: Convert to fraction form
    1,001/2,081 = 2,081/x
  3. Step 3: Cross multiply
    1,001x = 2,081 × 2,081
  4. Step 4: Simplify right side
    1,001x = 4,330,561
  5. Step 5: Solve for x
    x = 4,330,561/1,001
  6. Step 6: Final answer
    x = 4,326.23

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.