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Finding the Third Proportional to 54,538 and 115,668

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Solution

The third proportional to 54,538 and 115,668 is: 245,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538 : 115,668 = 115,668 : x
  2. Step 2: Convert to fraction form
    54,538/115,668 = 115,668/x
  3. Step 3: Cross multiply
    54,538x = 115,668 × 115,668
  4. Step 4: Simplify right side
    54,538x = 13,379,086,224
  5. Step 5: Solve for x
    x = 13,379,086,224/54,538
  6. Step 6: Final answer
    x = 245,316.77

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.