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Finding the Third Proportional to 83.44 and 177.19

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Solution

The third proportional to 83.44 and 177.19 is: 376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.44 : 177.19 = 177.19 : x
  2. Step 2: Convert to fraction form
    83.44/177.19 = 177.19/x
  3. Step 3: Cross multiply
    83.44x = 177.19 × 177.19
  4. Step 4: Simplify right side
    83.44x = 31,395.41
  5. Step 5: Solve for x
    x = 31,395.41/83.44
  6. Step 6: Final answer
    x = 376.27

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.