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Finding the Third Proportional to 47.25 and 98.38

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Solution

The third proportional to 47.25 and 98.38 is: 204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.25 : 98.38 = 98.38 : x
  2. Step 2: Convert to fraction form
    47.25/98.38 = 98.38/x
  3. Step 3: Cross multiply
    47.25x = 98.38 × 98.38
  4. Step 4: Simplify right side
    47.25x = 9,677.64
  5. Step 5: Solve for x
    x = 9,677.64/47.25
  6. Step 6: Final answer
    x = 204.82

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.