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Finding the Third Proportional to 76.41 and 168.01

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Solution

The third proportional to 76.41 and 168.01 is: 369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.41 : 168.01 = 168.01 : x
  2. Step 2: Convert to fraction form
    76.41/168.01 = 168.01/x
  3. Step 3: Cross multiply
    76.41x = 168.01 × 168.01
  4. Step 4: Simplify right side
    76.41x = 28,227.94
  5. Step 5: Solve for x
    x = 28,227.94/76.41
  6. Step 6: Final answer
    x = 369.42

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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.