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Finding the Third Proportional to 43,850.50 and 68,343

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Solution

The third proportional to 43,850.50 and 68,343 is: 106,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,850.50 : 68,343 = 68,343 : x
  2. Step 2: Convert to fraction form
    43,850.50/68,343 = 68,343/x
  3. Step 3: Cross multiply
    43,850.50x = 68,343 × 68,343
  4. Step 4: Simplify right side
    43,850.50x = 4,670,765,649
  5. Step 5: Solve for x
    x = 4,670,765,649/43,850.50
  6. Step 6: Final answer
    x = 106,515.68

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.