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Finding the Third Proportional to 96.69 and 207.88

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Solution

The third proportional to 96.69 and 207.88 is: 446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.69 : 207.88 = 207.88 : x
  2. Step 2: Convert to fraction form
    96.69/207.88 = 207.88/x
  3. Step 3: Cross multiply
    96.69x = 207.88 × 207.88
  4. Step 4: Simplify right side
    96.69x = 43,212.02
  5. Step 5: Solve for x
    x = 43,212.02/96.69
  6. Step 6: Final answer
    x = 446.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.