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Finding the Third Proportional to 240,903 and 518,805

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Solution

The third proportional to 240,903 and 518,805 is: 1,117,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,903 : 518,805 = 518,805 : x
  2. Step 2: Convert to fraction form
    240,903/518,805 = 518,805/x
  3. Step 3: Cross multiply
    240,903x = 518,805 × 518,805
  4. Step 4: Simplify right side
    240,903x = 269,158,628,025
  5. Step 5: Solve for x
    x = 269,158,628,025/240,903
  6. Step 6: Final answer
    x = 1,117,290.48

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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.