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Finding the Third Proportional to 389,304 and 836,802

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Solution

The third proportional to 389,304 and 836,802 is: 1,798,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,304 : 836,802 = 836,802 : x
  2. Step 2: Convert to fraction form
    389,304/836,802 = 836,802/x
  3. Step 3: Cross multiply
    389,304x = 836,802 × 836,802
  4. Step 4: Simplify right side
    389,304x = 700,237,587,204
  5. Step 5: Solve for x
    x = 700,237,587,204/389,304
  6. Step 6: Final answer
    x = 1,798,690.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.