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Finding the Third Proportional to 175.25 and 205.75

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Solution

The third proportional to 175.25 and 205.75 is: 241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.25 : 205.75 = 205.75 : x
  2. Step 2: Convert to fraction form
    175.25/205.75 = 205.75/x
  3. Step 3: Cross multiply
    175.25x = 205.75 × 205.75
  4. Step 4: Simplify right side
    175.25x = 42,333.06
  5. Step 5: Solve for x
    x = 42,333.06/175.25
  6. Step 6: Final answer
    x = 241.56

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.