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Finding the Third Proportional to 394,999.03 and 628,584.05

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Solution

The third proportional to 394,999.03 and 628,584.05 is: 1,000,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,999.03 : 628,584.05 = 628,584.05 : x
  2. Step 2: Convert to fraction form
    394,999.03/628,584.05 = 628,584.05/x
  3. Step 3: Cross multiply
    394,999.03x = 628,584.05 × 628,584.05
  4. Step 4: Simplify right side
    394,999.03x = 395,117,903,985.75
  5. Step 5: Solve for x
    x = 395,117,903,985.75/394,999.03
  6. Step 6: Final answer
    x = 1,000,300.94

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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.