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Finding the Third Proportional to 140.91 and 193.96

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Solution

The third proportional to 140.91 and 193.96 is: 266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.91 : 193.96 = 193.96 : x
  2. Step 2: Convert to fraction form
    140.91/193.96 = 193.96/x
  3. Step 3: Cross multiply
    140.91x = 193.96 × 193.96
  4. Step 4: Simplify right side
    140.91x = 37,619.33
  5. Step 5: Solve for x
    x = 37,619.33/140.91
  6. Step 6: Final answer
    x = 266.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.