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Finding the Third Proportional to 54,648.75 and 117,680.25

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Solution

The third proportional to 54,648.75 and 117,680.25 is: 253,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,648.75 : 117,680.25 = 117,680.25 : x
  2. Step 2: Convert to fraction form
    54,648.75/117,680.25 = 117,680.25/x
  3. Step 3: Cross multiply
    54,648.75x = 117,680.25 × 117,680.25
  4. Step 4: Simplify right side
    54,648.75x = 13,848,641,240.06
  5. Step 5: Solve for x
    x = 13,848,641,240.06/54,648.75
  6. Step 6: Final answer
    x = 253,411.86

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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.