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Finding the Third Proportional to 235,369.50 and 518,245.50

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Solution

The third proportional to 235,369.50 and 518,245.50 is: 1,141,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,369.50 : 518,245.50 = 518,245.50 : x
  2. Step 2: Convert to fraction form
    235,369.50/518,245.50 = 518,245.50/x
  3. Step 3: Cross multiply
    235,369.50x = 518,245.50 × 518,245.50
  4. Step 4: Simplify right side
    235,369.50x = 268,578,398,270.25
  5. Step 5: Solve for x
    x = 268,578,398,270.25/235,369.50
  6. Step 6: Final answer
    x = 1,141,092.62

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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.