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Finding the Third Proportional to 54.84 and 118.41

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Solution

The third proportional to 54.84 and 118.41 is: 255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.84 : 118.41 = 118.41 : x
  2. Step 2: Convert to fraction form
    54.84/118.41 = 118.41/x
  3. Step 3: Cross multiply
    54.84x = 118.41 × 118.41
  4. Step 4: Simplify right side
    54.84x = 14,020.04
  5. Step 5: Solve for x
    x = 14,020.04/54.84
  6. Step 6: Final answer
    x = 255.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.