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Finding the Third Proportional to 380,908 and 836,536

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Solution

The third proportional to 380,908 and 836,536 is: 1,837,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,908 : 836,536 = 836,536 : x
  2. Step 2: Convert to fraction form
    380,908/836,536 = 836,536/x
  3. Step 3: Cross multiply
    380,908x = 836,536 × 836,536
  4. Step 4: Simplify right side
    380,908x = 699,792,479,296
  5. Step 5: Solve for x
    x = 699,792,479,296/380,908
  6. Step 6: Final answer
    x = 1,837,169.29

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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.