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Finding the Third Proportional to 96.70 and 209.44

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Solution

The third proportional to 96.70 and 209.44 is: 453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.70 : 209.44 = 209.44 : x
  2. Step 2: Convert to fraction form
    96.70/209.44 = 209.44/x
  3. Step 3: Cross multiply
    96.70x = 209.44 × 209.44
  4. Step 4: Simplify right side
    96.70x = 43,864.07
  5. Step 5: Solve for x
    x = 43,864.07/96.70
  6. Step 6: Final answer
    x = 453.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.