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Finding the Third Proportional to 162 and 339.82

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Solution

The third proportional to 162 and 339.82 is: 712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162 : 339.82 = 339.82 : x
  2. Step 2: Convert to fraction form
    162/339.82 = 339.82/x
  3. Step 3: Cross multiply
    162x = 339.82 × 339.82
  4. Step 4: Simplify right side
    162x = 115,477.84
  5. Step 5: Solve for x
    x = 115,477.84/162
  6. Step 6: Final answer
    x = 712.83

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.