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Finding the Third Proportional to 164.25 and 231.75

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Solution

The third proportional to 164.25 and 231.75 is: 326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.25 : 231.75 = 231.75 : x
  2. Step 2: Convert to fraction form
    164.25/231.75 = 231.75/x
  3. Step 3: Cross multiply
    164.25x = 231.75 × 231.75
  4. Step 4: Simplify right side
    164.25x = 53,708.06
  5. Step 5: Solve for x
    x = 53,708.06/164.25
  6. Step 6: Final answer
    x = 326.99

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.