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Finding the Third Proportional to 96 and 216.25

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Solution

The third proportional to 96 and 216.25 is: 487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96 : 216.25 = 216.25 : x
  2. Step 2: Convert to fraction form
    96/216.25 = 216.25/x
  3. Step 3: Cross multiply
    96x = 216.25 × 216.25
  4. Step 4: Simplify right side
    96x = 46,764.06
  5. Step 5: Solve for x
    x = 46,764.06/96
  6. Step 6: Final answer
    x = 487.13

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.