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Finding the Third Proportional to 47.25 and 106.88

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Solution

The third proportional to 47.25 and 106.88 is: 241.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.25 : 106.88 = 106.88 : x
  2. Step 2: Convert to fraction form
    47.25/106.88 = 106.88/x
  3. Step 3: Cross multiply
    47.25x = 106.88 × 106.88
  4. Step 4: Simplify right side
    47.25x = 11,422.27
  5. Step 5: Solve for x
    x = 11,422.27/47.25
  6. Step 6: Final answer
    x = 241.74

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.