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Finding the Third Proportional to 380,775 and 827,199

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Solution

The third proportional to 380,775 and 827,199 is: 1,797,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,775 : 827,199 = 827,199 : x
  2. Step 2: Convert to fraction form
    380,775/827,199 = 827,199/x
  3. Step 3: Cross multiply
    380,775x = 827,199 × 827,199
  4. Step 4: Simplify right side
    380,775x = 684,258,185,601
  5. Step 5: Solve for x
    x = 684,258,185,601/380,775
  6. Step 6: Final answer
    x = 1,797,014.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.