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Finding the Third Proportional to 2,003 and 3,823

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Solution

The third proportional to 2,003 and 3,823 is: 7,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003 : 3,823 = 3,823 : x
  2. Step 2: Convert to fraction form
    2,003/3,823 = 3,823/x
  3. Step 3: Cross multiply
    2,003x = 3,823 × 3,823
  4. Step 4: Simplify right side
    2,003x = 14,615,329
  5. Step 5: Solve for x
    x = 14,615,329/2,003
  6. Step 6: Final answer
    x = 7,296.72

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.