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Finding the Third Proportional to 19,039 and 45,811

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Solution

The third proportional to 19,039 and 45,811 is: 110,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039 : 45,811 = 45,811 : x
  2. Step 2: Convert to fraction form
    19,039/45,811 = 45,811/x
  3. Step 3: Cross multiply
    19,039x = 45,811 × 45,811
  4. Step 4: Simplify right side
    19,039x = 2,098,647,721
  5. Step 5: Solve for x
    x = 2,098,647,721/19,039
  6. Step 6: Final answer
    x = 110,228.88

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.