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Finding the Third Proportional to 149.25 and 162

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Solution

The third proportional to 149.25 and 162 is: 175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.25 : 162 = 162 : x
  2. Step 2: Convert to fraction form
    149.25/162 = 162/x
  3. Step 3: Cross multiply
    149.25x = 162 × 162
  4. Step 4: Simplify right side
    149.25x = 26,244
  5. Step 5: Solve for x
    x = 26,244/149.25
  6. Step 6: Final answer
    x = 175.84

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.