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Finding the Third Proportional to 54,936 and 118,620

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Solution

The third proportional to 54,936 and 118,620 is: 256,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,936 : 118,620 = 118,620 : x
  2. Step 2: Convert to fraction form
    54,936/118,620 = 118,620/x
  3. Step 3: Cross multiply
    54,936x = 118,620 × 118,620
  4. Step 4: Simplify right side
    54,936x = 14,070,704,400
  5. Step 5: Solve for x
    x = 14,070,704,400/54,936
  6. Step 6: Final answer
    x = 256,129.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.