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Finding the Third Proportional to 54,902.25 and 80,259

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Solution

The third proportional to 54,902.25 and 80,259 is: 117,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,902.25 : 80,259 = 80,259 : x
  2. Step 2: Convert to fraction form
    54,902.25/80,259 = 80,259/x
  3. Step 3: Cross multiply
    54,902.25x = 80,259 × 80,259
  4. Step 4: Simplify right side
    54,902.25x = 6,441,507,081
  5. Step 5: Solve for x
    x = 6,441,507,081/54,902.25
  6. Step 6: Final answer
    x = 117,326.83

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.