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Finding the Third Proportional to 3,057.75 and 6,617.25

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Solution

The third proportional to 3,057.75 and 6,617.25 is: 14,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.75 : 6,617.25 = 6,617.25 : x
  2. Step 2: Convert to fraction form
    3,057.75/6,617.25 = 6,617.25/x
  3. Step 3: Cross multiply
    3,057.75x = 6,617.25 × 6,617.25
  4. Step 4: Simplify right side
    3,057.75x = 43,787,997.56
  5. Step 5: Solve for x
    x = 43,787,997.56/3,057.75
  6. Step 6: Final answer
    x = 14,320.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.