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Finding the Third Proportional to 54,333 and 81,843.75

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Solution

The third proportional to 54,333 and 81,843.75 is: 123,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,333 : 81,843.75 = 81,843.75 : x
  2. Step 2: Convert to fraction form
    54,333/81,843.75 = 81,843.75/x
  3. Step 3: Cross multiply
    54,333x = 81,843.75 × 81,843.75
  4. Step 4: Simplify right side
    54,333x = 6,698,399,414.06
  5. Step 5: Solve for x
    x = 6,698,399,414.06/54,333
  6. Step 6: Final answer
    x = 123,284.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.