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Finding the Third Proportional to 54,813.75 and 117,786.75

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Solution

The third proportional to 54,813.75 and 117,786.75 is: 253,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,813.75 : 117,786.75 = 117,786.75 : x
  2. Step 2: Convert to fraction form
    54,813.75/117,786.75 = 117,786.75/x
  3. Step 3: Cross multiply
    54,813.75x = 117,786.75 × 117,786.75
  4. Step 4: Simplify right side
    54,813.75x = 13,873,718,475.56
  5. Step 5: Solve for x
    x = 13,873,718,475.56/54,813.75
  6. Step 6: Final answer
    x = 253,106.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.