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Finding the Third Proportional to 164.75 and 226.38

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Solution

The third proportional to 164.75 and 226.38 is: 311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.75 : 226.38 = 226.38 : x
  2. Step 2: Convert to fraction form
    164.75/226.38 = 226.38/x
  3. Step 3: Cross multiply
    164.75x = 226.38 × 226.38
  4. Step 4: Simplify right side
    164.75x = 51,245.64
  5. Step 5: Solve for x
    x = 51,245.64/164.75
  6. Step 6: Final answer
    x = 311.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.