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Finding the Third Proportional to 27 and 58.69

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Solution

The third proportional to 27 and 58.69 is: 127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27 : 58.69 = 58.69 : x
  2. Step 2: Convert to fraction form
    27/58.69 = 58.69/x
  3. Step 3: Cross multiply
    27x = 58.69 × 58.69
  4. Step 4: Simplify right side
    27x = 3,444.22
  5. Step 5: Solve for x
    x = 3,444.22/27
  6. Step 6: Final answer
    x = 127.56

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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.