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Finding the Third Proportional to 1,996.50 and 4,394.25

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Solution

The third proportional to 1,996.50 and 4,394.25 is: 9,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.50 : 4,394.25 = 4,394.25 : x
  2. Step 2: Convert to fraction form
    1,996.50/4,394.25 = 4,394.25/x
  3. Step 3: Cross multiply
    1,996.50x = 4,394.25 × 4,394.25
  4. Step 4: Simplify right side
    1,996.50x = 19,309,433.06
  5. Step 5: Solve for x
    x = 19,309,433.06/1,996.50
  6. Step 6: Final answer
    x = 9,671.64

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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.