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Finding the Third Proportional to 33,990 and 48,954

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Solution

The third proportional to 33,990 and 48,954 is: 70,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990 : 48,954 = 48,954 : x
  2. Step 2: Convert to fraction form
    33,990/48,954 = 48,954/x
  3. Step 3: Cross multiply
    33,990x = 48,954 × 48,954
  4. Step 4: Simplify right side
    33,990x = 2,396,494,116
  5. Step 5: Solve for x
    x = 2,396,494,116/33,990
  6. Step 6: Final answer
    x = 70,505.86

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.