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Finding the Third Proportional to 28.05 and 58.29

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Solution

The third proportional to 28.05 and 58.29 is: 121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.05 : 58.29 = 58.29 : x
  2. Step 2: Convert to fraction form
    28.05/58.29 = 58.29/x
  3. Step 3: Cross multiply
    28.05x = 58.29 × 58.29
  4. Step 4: Simplify right side
    28.05x = 3,397.61
  5. Step 5: Solve for x
    x = 3,397.61/28.05
  6. Step 6: Final answer
    x = 121.11

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.