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Finding the Third Proportional to 3,840.75 and 5,863.64

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Solution

The third proportional to 3,840.75 and 5,863.64 is: 8,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.75 : 5,863.64 = 5,863.64 : x
  2. Step 2: Convert to fraction form
    3,840.75/5,863.64 = 5,863.64/x
  3. Step 3: Cross multiply
    3,840.75x = 5,863.64 × 5,863.64
  4. Step 4: Simplify right side
    3,840.75x = 34,382,281.38
  5. Step 5: Solve for x
    x = 34,382,281.38/3,840.75
  6. Step 6: Final answer
    x = 8,951.97

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.