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Finding the Third Proportional to 1,439.44 and 2,083.92

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Solution

The third proportional to 1,439.44 and 2,083.92 is: 3,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439.44 : 2,083.92 = 2,083.92 : x
  2. Step 2: Convert to fraction form
    1,439.44/2,083.92 = 2,083.92/x
  3. Step 3: Cross multiply
    1,439.44x = 2,083.92 × 2,083.92
  4. Step 4: Simplify right side
    1,439.44x = 4,342,730.38
  5. Step 5: Solve for x
    x = 4,342,730.38/1,439.44
  6. Step 6: Final answer
    x = 3,016.96

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.