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Finding the Third Proportional to 43,958 and 68,907

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Solution

The third proportional to 43,958 and 68,907 is: 108,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,958 : 68,907 = 68,907 : x
  2. Step 2: Convert to fraction form
    43,958/68,907 = 68,907/x
  3. Step 3: Cross multiply
    43,958x = 68,907 × 68,907
  4. Step 4: Simplify right side
    43,958x = 4,748,174,649
  5. Step 5: Solve for x
    x = 4,748,174,649/43,958
  6. Step 6: Final answer
    x = 108,016.17

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.