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Finding the Third Proportional to 2,002 and 2,823

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Solution

The third proportional to 2,002 and 2,823 is: 3,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002 : 2,823 = 2,823 : x
  2. Step 2: Convert to fraction form
    2,002/2,823 = 2,823/x
  3. Step 3: Cross multiply
    2,002x = 2,823 × 2,823
  4. Step 4: Simplify right side
    2,002x = 7,969,329
  5. Step 5: Solve for x
    x = 7,969,329/2,002
  6. Step 6: Final answer
    x = 3,980.68

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.