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Finding the Third Proportional to 380,559.94 and 836,449.88

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Solution

The third proportional to 380,559.94 and 836,449.88 is: 1,838,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,559.94 : 836,449.88 = 836,449.88 : x
  2. Step 2: Convert to fraction form
    380,559.94/836,449.88 = 836,449.88/x
  3. Step 3: Cross multiply
    380,559.94x = 836,449.88 × 836,449.88
  4. Step 4: Simplify right side
    380,559.94x = 699,648,393,387.52
  5. Step 5: Solve for x
    x = 699,648,393,387.52/380,559.94
  6. Step 6: Final answer
    x = 1,838,470.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.