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Finding the Third Proportional to 394,984.50 and 864,975

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Solution

The third proportional to 394,984.50 and 864,975 is: 1,894,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,984.50 : 864,975 = 864,975 : x
  2. Step 2: Convert to fraction form
    394,984.50/864,975 = 864,975/x
  3. Step 3: Cross multiply
    394,984.50x = 864,975 × 864,975
  4. Step 4: Simplify right side
    394,984.50x = 748,181,750,625
  5. Step 5: Solve for x
    x = 748,181,750,625/394,984.50
  6. Step 6: Final answer
    x = 1,894,205.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.