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Finding the Third Proportional to 564.75 and 825.25

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Solution

The third proportional to 564.75 and 825.25 is: 1,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.75 : 825.25 = 825.25 : x
  2. Step 2: Convert to fraction form
    564.75/825.25 = 825.25/x
  3. Step 3: Cross multiply
    564.75x = 825.25 × 825.25
  4. Step 4: Simplify right side
    564.75x = 681,037.56
  5. Step 5: Solve for x
    x = 681,037.56/564.75
  6. Step 6: Final answer
    x = 1,205.91

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.