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Finding the Third Proportional to 96 and 217

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Solution

The third proportional to 96 and 217 is: 490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96 : 217 = 217 : x
  2. Step 2: Convert to fraction form
    96/217 = 217/x
  3. Step 3: Cross multiply
    96x = 217 × 217
  4. Step 4: Simplify right side
    96x = 47,089
  5. Step 5: Solve for x
    x = 47,089/96
  6. Step 6: Final answer
    x = 490.51

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.