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Finding the Third Proportional to 47.16 and 103.88

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Solution

The third proportional to 47.16 and 103.88 is: 228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.16 : 103.88 = 103.88 : x
  2. Step 2: Convert to fraction form
    47.16/103.88 = 103.88/x
  3. Step 3: Cross multiply
    47.16x = 103.88 × 103.88
  4. Step 4: Simplify right side
    47.16x = 10,790.02
  5. Step 5: Solve for x
    x = 10,790.02/47.16
  6. Step 6: Final answer
    x = 228.81

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.