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Finding the Third Proportional to 154.97 and 226.76

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Solution

The third proportional to 154.97 and 226.76 is: 331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.97 : 226.76 = 226.76 : x
  2. Step 2: Convert to fraction form
    154.97/226.76 = 226.76/x
  3. Step 3: Cross multiply
    154.97x = 226.76 × 226.76
  4. Step 4: Simplify right side
    154.97x = 51,419.11
  5. Step 5: Solve for x
    x = 51,419.11/154.97
  6. Step 6: Final answer
    x = 331.80

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.