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Finding the Third Proportional to 162 and 227.81

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Solution

The third proportional to 162 and 227.81 is: 320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162 : 227.81 = 227.81 : x
  2. Step 2: Convert to fraction form
    162/227.81 = 227.81/x
  3. Step 3: Cross multiply
    162x = 227.81 × 227.81
  4. Step 4: Simplify right side
    162x = 51,898.54
  5. Step 5: Solve for x
    x = 51,898.54/162
  6. Step 6: Final answer
    x = 320.36

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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.