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Finding the Third Proportional to 118,786 and 247,366

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Solution

The third proportional to 118,786 and 247,366 is: 515,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,786 : 247,366 = 247,366 : x
  2. Step 2: Convert to fraction form
    118,786/247,366 = 247,366/x
  3. Step 3: Cross multiply
    118,786x = 247,366 × 247,366
  4. Step 4: Simplify right side
    118,786x = 61,189,937,956
  5. Step 5: Solve for x
    x = 61,189,937,956/118,786
  6. Step 6: Final answer
    x = 515,127.52

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.