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Finding the Third Proportional to 426,801 and 916,863

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Solution

The third proportional to 426,801 and 916,863 is: 1,969,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,801 : 916,863 = 916,863 : x
  2. Step 2: Convert to fraction form
    426,801/916,863 = 916,863/x
  3. Step 3: Cross multiply
    426,801x = 916,863 × 916,863
  4. Step 4: Simplify right side
    426,801x = 840,637,760,769
  5. Step 5: Solve for x
    x = 840,637,760,769/426,801
  6. Step 6: Final answer
    x = 1,969,624.63

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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.