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Finding the Third Proportional to 167 and 322.75

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Solution

The third proportional to 167 and 322.75 is: 623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167 : 322.75 = 322.75 : x
  2. Step 2: Convert to fraction form
    167/322.75 = 322.75/x
  3. Step 3: Cross multiply
    167x = 322.75 × 322.75
  4. Step 4: Simplify right side
    167x = 104,167.56
  5. Step 5: Solve for x
    x = 104,167.56/167
  6. Step 6: Final answer
    x = 623.76

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.