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Finding the Third Proportional to 195.47 and 298.97

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Solution

The third proportional to 195.47 and 298.97 is: 457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.47 : 298.97 = 298.97 : x
  2. Step 2: Convert to fraction form
    195.47/298.97 = 298.97/x
  3. Step 3: Cross multiply
    195.47x = 298.97 × 298.97
  4. Step 4: Simplify right side
    195.47x = 89,382.31
  5. Step 5: Solve for x
    x = 89,382.31/195.47
  6. Step 6: Final answer
    x = 457.27

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.