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Finding the Third Proportional to 3,718.25 and 5,453.25

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Solution

The third proportional to 3,718.25 and 5,453.25 is: 7,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.25 : 5,453.25 = 5,453.25 : x
  2. Step 2: Convert to fraction form
    3,718.25/5,453.25 = 5,453.25/x
  3. Step 3: Cross multiply
    3,718.25x = 5,453.25 × 5,453.25
  4. Step 4: Simplify right side
    3,718.25x = 29,737,935.56
  5. Step 5: Solve for x
    x = 29,737,935.56/3,718.25
  6. Step 6: Final answer
    x = 7,997.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.