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Finding the Third Proportional to 43,744 and 69,456

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Solution

The third proportional to 43,744 and 69,456 is: 110,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,744 : 69,456 = 69,456 : x
  2. Step 2: Convert to fraction form
    43,744/69,456 = 69,456/x
  3. Step 3: Cross multiply
    43,744x = 69,456 × 69,456
  4. Step 4: Simplify right side
    43,744x = 4,824,135,936
  5. Step 5: Solve for x
    x = 4,824,135,936/43,744
  6. Step 6: Final answer
    x = 110,281.09

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.