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Finding the Third Proportional to 75.94 and 118.97

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Solution

The third proportional to 75.94 and 118.97 is: 186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.94 : 118.97 = 118.97 : x
  2. Step 2: Convert to fraction form
    75.94/118.97 = 118.97/x
  3. Step 3: Cross multiply
    75.94x = 118.97 × 118.97
  4. Step 4: Simplify right side
    75.94x = 14,153.56
  5. Step 5: Solve for x
    x = 14,153.56/75.94
  6. Step 6: Final answer
    x = 186.38

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.