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Finding the Third Proportional to 394,348.50 and 859,149

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Solution

The third proportional to 394,348.50 and 859,149 is: 1,871,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,348.50 : 859,149 = 859,149 : x
  2. Step 2: Convert to fraction form
    394,348.50/859,149 = 859,149/x
  3. Step 3: Cross multiply
    394,348.50x = 859,149 × 859,149
  4. Step 4: Simplify right side
    394,348.50x = 738,137,004,201
  5. Step 5: Solve for x
    x = 738,137,004,201/394,348.50
  6. Step 6: Final answer
    x = 1,871,788.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.