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Finding the Third Proportional to 3,660 and 5,537.25

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Solution

The third proportional to 3,660 and 5,537.25 is: 8,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660 : 5,537.25 = 5,537.25 : x
  2. Step 2: Convert to fraction form
    3,660/5,537.25 = 5,537.25/x
  3. Step 3: Cross multiply
    3,660x = 5,537.25 × 5,537.25
  4. Step 4: Simplify right side
    3,660x = 30,661,137.56
  5. Step 5: Solve for x
    x = 30,661,137.56/3,660
  6. Step 6: Final answer
    x = 8,377.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.