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Finding the Third Proportional to 754.25 and 1,816.75

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Solution

The third proportional to 754.25 and 1,816.75 is: 4,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.25 : 1,816.75 = 1,816.75 : x
  2. Step 2: Convert to fraction form
    754.25/1,816.75 = 1,816.75/x
  3. Step 3: Cross multiply
    754.25x = 1,816.75 × 1,816.75
  4. Step 4: Simplify right side
    754.25x = 3,300,580.56
  5. Step 5: Solve for x
    x = 3,300,580.56/754.25
  6. Step 6: Final answer
    x = 4,375.98

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.