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Finding the Third Proportional to 409,467 and 885,999

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Solution

The third proportional to 409,467 and 885,999 is: 1,917,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,467 : 885,999 = 885,999 : x
  2. Step 2: Convert to fraction form
    409,467/885,999 = 885,999/x
  3. Step 3: Cross multiply
    409,467x = 885,999 × 885,999
  4. Step 4: Simplify right side
    409,467x = 784,994,228,001
  5. Step 5: Solve for x
    x = 784,994,228,001/409,467
  6. Step 6: Final answer
    x = 1,917,112.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.