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Finding the Third Proportional to 149.98 and 225.91

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Solution

The third proportional to 149.98 and 225.91 is: 340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.98 : 225.91 = 225.91 : x
  2. Step 2: Convert to fraction form
    149.98/225.91 = 225.91/x
  3. Step 3: Cross multiply
    149.98x = 225.91 × 225.91
  4. Step 4: Simplify right side
    149.98x = 51,037.16
  5. Step 5: Solve for x
    x = 51,037.16/149.98
  6. Step 6: Final answer
    x = 340.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.