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Finding the Third Proportional to 106.77 and 195.74

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Solution

The third proportional to 106.77 and 195.74 is: 358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.77 : 195.74 = 195.74 : x
  2. Step 2: Convert to fraction form
    106.77/195.74 = 195.74/x
  3. Step 3: Cross multiply
    106.77x = 195.74 × 195.74
  4. Step 4: Simplify right side
    106.77x = 38,315.44
  5. Step 5: Solve for x
    x = 38,315.44/106.77
  6. Step 6: Final answer
    x = 358.86

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Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.