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Finding the Third Proportional to 54,958 and 117,690

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Solution

The third proportional to 54,958 and 117,690 is: 252,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958 : 117,690 = 117,690 : x
  2. Step 2: Convert to fraction form
    54,958/117,690 = 117,690/x
  3. Step 3: Cross multiply
    54,958x = 117,690 × 117,690
  4. Step 4: Simplify right side
    54,958x = 13,850,936,100
  5. Step 5: Solve for x
    x = 13,850,936,100/54,958
  6. Step 6: Final answer
    x = 252,027.66

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.