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Finding the Third Proportional to 54,962 and 119,990

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Solution

The third proportional to 54,962 and 119,990 is: 261,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,962 : 119,990 = 119,990 : x
  2. Step 2: Convert to fraction form
    54,962/119,990 = 119,990/x
  3. Step 3: Cross multiply
    54,962x = 119,990 × 119,990
  4. Step 4: Simplify right side
    54,962x = 14,397,600,100
  5. Step 5: Solve for x
    x = 14,397,600,100/54,962
  6. Step 6: Final answer
    x = 261,955.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.