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Finding the Third Proportional to 140.96 and 192.22

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Solution

The third proportional to 140.96 and 192.22 is: 262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.96 : 192.22 = 192.22 : x
  2. Step 2: Convert to fraction form
    140.96/192.22 = 192.22/x
  3. Step 3: Cross multiply
    140.96x = 192.22 × 192.22
  4. Step 4: Simplify right side
    140.96x = 36,947.30
  5. Step 5: Solve for x
    x = 36,947.30/140.96
  6. Step 6: Final answer
    x = 262.11

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.