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Finding the Third Proportional to 204,824 and 419,487.50

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Solution

The third proportional to 204,824 and 419,487.50 is: 859,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,824 : 419,487.50 = 419,487.50 : x
  2. Step 2: Convert to fraction form
    204,824/419,487.50 = 419,487.50/x
  3. Step 3: Cross multiply
    204,824x = 419,487.50 × 419,487.50
  4. Step 4: Simplify right side
    204,824x = 175,969,762,656.25
  5. Step 5: Solve for x
    x = 175,969,762,656.25/204,824
  6. Step 6: Final answer
    x = 859,126.68

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.