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Finding the Third Proportional to 2,219.25 and 3,369.38

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Solution

The third proportional to 2,219.25 and 3,369.38 is: 5,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.25 : 3,369.38 = 3,369.38 : x
  2. Step 2: Convert to fraction form
    2,219.25/3,369.38 = 3,369.38/x
  3. Step 3: Cross multiply
    2,219.25x = 3,369.38 × 3,369.38
  4. Step 4: Simplify right side
    2,219.25x = 11,352,687.89
  5. Step 5: Solve for x
    x = 11,352,687.89/2,219.25
  6. Step 6: Final answer
    x = 5,115.55

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.