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Finding the Third Proportional to 150.75 and 162

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Solution

The third proportional to 150.75 and 162 is: 174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.75 : 162 = 162 : x
  2. Step 2: Convert to fraction form
    150.75/162 = 162/x
  3. Step 3: Cross multiply
    150.75x = 162 × 162
  4. Step 4: Simplify right side
    150.75x = 26,244
  5. Step 5: Solve for x
    x = 26,244/150.75
  6. Step 6: Final answer
    x = 174.09

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.