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Finding the Third Proportional to 55.53 and 118.18

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Solution

The third proportional to 55.53 and 118.18 is: 251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.53 : 118.18 = 118.18 : x
  2. Step 2: Convert to fraction form
    55.53/118.18 = 118.18/x
  3. Step 3: Cross multiply
    55.53x = 118.18 × 118.18
  4. Step 4: Simplify right side
    55.53x = 13,965.98
  5. Step 5: Solve for x
    x = 13,965.98/55.53
  6. Step 6: Final answer
    x = 251.51

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.