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Finding the Third Proportional to 54,249 and 117,520

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Solution

The third proportional to 54,249 and 117,520 is: 254,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,249 : 117,520 = 117,520 : x
  2. Step 2: Convert to fraction form
    54,249/117,520 = 117,520/x
  3. Step 3: Cross multiply
    54,249x = 117,520 × 117,520
  4. Step 4: Simplify right side
    54,249x = 13,810,950,400
  5. Step 5: Solve for x
    x = 13,810,950,400/54,249
  6. Step 6: Final answer
    x = 254,584.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.