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Finding the Third Proportional to 3,896.44 and 8,351.16

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Solution

The third proportional to 3,896.44 and 8,351.16 is: 17,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.44 : 8,351.16 = 8,351.16 : x
  2. Step 2: Convert to fraction form
    3,896.44/8,351.16 = 8,351.16/x
  3. Step 3: Cross multiply
    3,896.44x = 8,351.16 × 8,351.16
  4. Step 4: Simplify right side
    3,896.44x = 69,741,810.71
  5. Step 5: Solve for x
    x = 69,741,810.71/3,896.44
  6. Step 6: Final answer
    x = 17,898.87

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.