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Finding the Third Proportional to 149 and 223.38

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Solution

The third proportional to 149 and 223.38 is: 334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149 : 223.38 = 223.38 : x
  2. Step 2: Convert to fraction form
    149/223.38 = 223.38/x
  3. Step 3: Cross multiply
    149x = 223.38 × 223.38
  4. Step 4: Simplify right side
    149x = 49,896.39
  5. Step 5: Solve for x
    x = 49,896.39/149
  6. Step 6: Final answer
    x = 334.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.