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Finding the Third Proportional to 118,403 and 247,750

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Solution

The third proportional to 118,403 and 247,750 is: 518,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,403 : 247,750 = 247,750 : x
  2. Step 2: Convert to fraction form
    118,403/247,750 = 247,750/x
  3. Step 3: Cross multiply
    118,403x = 247,750 × 247,750
  4. Step 4: Simplify right side
    118,403x = 61,380,062,500
  5. Step 5: Solve for x
    x = 61,380,062,500/118,403
  6. Step 6: Final answer
    x = 518,399.55

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.