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Finding the Third Proportional to 515,898 and 797,175

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Solution

The third proportional to 515,898 and 797,175 is: 1,231,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,898 : 797,175 = 797,175 : x
  2. Step 2: Convert to fraction form
    515,898/797,175 = 797,175/x
  3. Step 3: Cross multiply
    515,898x = 797,175 × 797,175
  4. Step 4: Simplify right side
    515,898x = 635,487,980,625
  5. Step 5: Solve for x
    x = 635,487,980,625/515,898
  6. Step 6: Final answer
    x = 1,231,809.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.