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Finding the Third Proportional to 236,460 and 518,850

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Solution

The third proportional to 236,460 and 518,850 is: 1,138,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,460 : 518,850 = 518,850 : x
  2. Step 2: Convert to fraction form
    236,460/518,850 = 518,850/x
  3. Step 3: Cross multiply
    236,460x = 518,850 × 518,850
  4. Step 4: Simplify right side
    236,460x = 269,205,322,500
  5. Step 5: Solve for x
    x = 269,205,322,500/236,460
  6. Step 6: Final answer
    x = 1,138,481.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.