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Finding the Third Proportional to 27.63 and 57.87

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Solution

The third proportional to 27.63 and 57.87 is: 121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.63 : 57.87 = 57.87 : x
  2. Step 2: Convert to fraction form
    27.63/57.87 = 57.87/x
  3. Step 3: Cross multiply
    27.63x = 57.87 × 57.87
  4. Step 4: Simplify right side
    27.63x = 3,348.61
  5. Step 5: Solve for x
    x = 3,348.61/27.63
  6. Step 6: Final answer
    x = 121.18

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.