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Finding the Third Proportional to 162 and 351.84

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Solution

The third proportional to 162 and 351.84 is: 764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162 : 351.84 = 351.84 : x
  2. Step 2: Convert to fraction form
    162/351.84 = 351.84/x
  3. Step 3: Cross multiply
    162x = 351.84 × 351.84
  4. Step 4: Simplify right side
    162x = 123,794.02
  5. Step 5: Solve for x
    x = 123,794.02/162
  6. Step 6: Final answer
    x = 764.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.