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Finding the Third Proportional to 54,679 and 117,498

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Solution

The third proportional to 54,679 and 117,498 is: 252,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679 : 117,498 = 117,498 : x
  2. Step 2: Convert to fraction form
    54,679/117,498 = 117,498/x
  3. Step 3: Cross multiply
    54,679x = 117,498 × 117,498
  4. Step 4: Simplify right side
    54,679x = 13,805,780,004
  5. Step 5: Solve for x
    x = 13,805,780,004/54,679
  6. Step 6: Final answer
    x = 252,487.79

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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.