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Finding the Third Proportional to 80.44 and 176.06

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Solution

The third proportional to 80.44 and 176.06 is: 385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80.44 : 176.06 = 176.06 : x
  2. Step 2: Convert to fraction form
    80.44/176.06 = 176.06/x
  3. Step 3: Cross multiply
    80.44x = 176.06 × 176.06
  4. Step 4: Simplify right side
    80.44x = 30,998.00
  5. Step 5: Solve for x
    x = 30,998.00/80.44
  6. Step 6: Final answer
    x = 385.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.