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Finding the Third Proportional to 54,679 and 118,844

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Solution

The third proportional to 54,679 and 118,844 is: 258,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679 : 118,844 = 118,844 : x
  2. Step 2: Convert to fraction form
    54,679/118,844 = 118,844/x
  3. Step 3: Cross multiply
    54,679x = 118,844 × 118,844
  4. Step 4: Simplify right side
    54,679x = 14,123,896,336
  5. Step 5: Solve for x
    x = 14,123,896,336/54,679
  6. Step 6: Final answer
    x = 258,305.68

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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.