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Finding the Third Proportional to 104.25 and 165.75

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Solution

The third proportional to 104.25 and 165.75 is: 263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.25 : 165.75 = 165.75 : x
  2. Step 2: Convert to fraction form
    104.25/165.75 = 165.75/x
  3. Step 3: Cross multiply
    104.25x = 165.75 × 165.75
  4. Step 4: Simplify right side
    104.25x = 27,473.06
  5. Step 5: Solve for x
    x = 27,473.06/104.25
  6. Step 6: Final answer
    x = 263.53

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.