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Finding the Third Proportional to 94.75 and 170.75

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Solution

The third proportional to 94.75 and 170.75 is: 307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.75 : 170.75 = 170.75 : x
  2. Step 2: Convert to fraction form
    94.75/170.75 = 170.75/x
  3. Step 3: Cross multiply
    94.75x = 170.75 × 170.75
  4. Step 4: Simplify right side
    94.75x = 29,155.56
  5. Step 5: Solve for x
    x = 29,155.56/94.75
  6. Step 6: Final answer
    x = 307.71

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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.