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Finding the Third Proportional to 515,529 and 1,131,924

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Solution

The third proportional to 515,529 and 1,131,924 is: 2,485,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,529 : 1,131,924 = 1,131,924 : x
  2. Step 2: Convert to fraction form
    515,529/1,131,924 = 1,131,924/x
  3. Step 3: Cross multiply
    515,529x = 1,131,924 × 1,131,924
  4. Step 4: Simplify right side
    515,529x = 1,281,251,941,776
  5. Step 5: Solve for x
    x = 1,281,251,941,776/515,529
  6. Step 6: Final answer
    x = 2,485,314.97

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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.