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Finding the Third Proportional to 3,996 and 8,806

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Solution

The third proportional to 3,996 and 8,806 is: 19,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996 : 8,806 = 8,806 : x
  2. Step 2: Convert to fraction form
    3,996/8,806 = 8,806/x
  3. Step 3: Cross multiply
    3,996x = 8,806 × 8,806
  4. Step 4: Simplify right side
    3,996x = 77,545,636
  5. Step 5: Solve for x
    x = 77,545,636/3,996
  6. Step 6: Final answer
    x = 19,405.81

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.