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Finding the Third Proportional to 155 and 226

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Solution

The third proportional to 155 and 226 is: 329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155 : 226 = 226 : x
  2. Step 2: Convert to fraction form
    155/226 = 226/x
  3. Step 3: Cross multiply
    155x = 226 × 226
  4. Step 4: Simplify right side
    155x = 51,076
  5. Step 5: Solve for x
    x = 51,076/155
  6. Step 6: Final answer
    x = 329.52

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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.