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Finding the Third Proportional to 362.75 and 765.25

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Solution

The third proportional to 362.75 and 765.25 is: 1,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.75 : 765.25 = 765.25 : x
  2. Step 2: Convert to fraction form
    362.75/765.25 = 765.25/x
  3. Step 3: Cross multiply
    362.75x = 765.25 × 765.25
  4. Step 4: Simplify right side
    362.75x = 585,607.56
  5. Step 5: Solve for x
    x = 585,607.56/362.75
  6. Step 6: Final answer
    x = 1,614.36

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.