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Finding the Third Proportional to 95.75 and 172

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Solution

The third proportional to 95.75 and 172 is: 308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.75 : 172 = 172 : x
  2. Step 2: Convert to fraction form
    95.75/172 = 172/x
  3. Step 3: Cross multiply
    95.75x = 172 × 172
  4. Step 4: Simplify right side
    95.75x = 29,584
  5. Step 5: Solve for x
    x = 29,584/95.75
  6. Step 6: Final answer
    x = 308.97

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.