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Finding the Third Proportional to 3,610 and 5,675

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Solution

The third proportional to 3,610 and 5,675 is: 8,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610 : 5,675 = 5,675 : x
  2. Step 2: Convert to fraction form
    3,610/5,675 = 5,675/x
  3. Step 3: Cross multiply
    3,610x = 5,675 × 5,675
  4. Step 4: Simplify right side
    3,610x = 32,205,625
  5. Step 5: Solve for x
    x = 32,205,625/3,610
  6. Step 6: Final answer
    x = 8,921.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.