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Finding the Third Proportional to 38.88 and 100.94

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Solution

The third proportional to 38.88 and 100.94 is: 262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.88 : 100.94 = 100.94 : x
  2. Step 2: Convert to fraction form
    38.88/100.94 = 100.94/x
  3. Step 3: Cross multiply
    38.88x = 100.94 × 100.94
  4. Step 4: Simplify right side
    38.88x = 10,188.38
  5. Step 5: Solve for x
    x = 10,188.38/38.88
  6. Step 6: Final answer
    x = 262.08

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These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.