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Finding the Third Proportional to 119.06 and 178.88

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Solution

The third proportional to 119.06 and 178.88 is: 268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.06 : 178.88 = 178.88 : x
  2. Step 2: Convert to fraction form
    119.06/178.88 = 178.88/x
  3. Step 3: Cross multiply
    119.06x = 178.88 × 178.88
  4. Step 4: Simplify right side
    119.06x = 31,996.27
  5. Step 5: Solve for x
    x = 31,996.27/119.06
  6. Step 6: Final answer
    x = 268.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.