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Finding the Third Proportional to 43,920 and 103,631

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Solution

The third proportional to 43,920 and 103,631 is: 244,521.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,920 : 103,631 = 103,631 : x
  2. Step 2: Convert to fraction form
    43,920/103,631 = 103,631/x
  3. Step 3: Cross multiply
    43,920x = 103,631 × 103,631
  4. Step 4: Simplify right side
    43,920x = 10,739,384,161
  5. Step 5: Solve for x
    x = 10,739,384,161/43,920
  6. Step 6: Final answer
    x = 244,521.50

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.