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Finding the Third Proportional to 54,377 and 119,790

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Solution

The third proportional to 54,377 and 119,790 is: 263,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,377 : 119,790 = 119,790 : x
  2. Step 2: Convert to fraction form
    54,377/119,790 = 119,790/x
  3. Step 3: Cross multiply
    54,377x = 119,790 × 119,790
  4. Step 4: Simplify right side
    54,377x = 14,349,644,100
  5. Step 5: Solve for x
    x = 14,349,644,100/54,377
  6. Step 6: Final answer
    x = 263,891.79

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.