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Finding the Third Proportional to 234.22 and 342.79

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Solution

The third proportional to 234.22 and 342.79 is: 501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.22 : 342.79 = 342.79 : x
  2. Step 2: Convert to fraction form
    234.22/342.79 = 342.79/x
  3. Step 3: Cross multiply
    234.22x = 342.79 × 342.79
  4. Step 4: Simplify right side
    234.22x = 117,502.67
  5. Step 5: Solve for x
    x = 117,502.67/234.22
  6. Step 6: Final answer
    x = 501.68

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.