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Finding the Third Proportional to 149.06 and 190.88

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Solution

The third proportional to 149.06 and 190.88 is: 244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.06 : 190.88 = 190.88 : x
  2. Step 2: Convert to fraction form
    149.06/190.88 = 190.88/x
  3. Step 3: Cross multiply
    149.06x = 190.88 × 190.88
  4. Step 4: Simplify right side
    149.06x = 36,433.27
  5. Step 5: Solve for x
    x = 36,433.27/149.06
  6. Step 6: Final answer
    x = 244.42

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.