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Finding the Third Proportional to 419,493.50 and 629,285.50

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Solution

The third proportional to 419,493.50 and 629,285.50 is: 943,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,493.50 : 629,285.50 = 629,285.50 : x
  2. Step 2: Convert to fraction form
    419,493.50/629,285.50 = 629,285.50/x
  3. Step 3: Cross multiply
    419,493.50x = 629,285.50 × 629,285.50
  4. Step 4: Simplify right side
    419,493.50x = 396,000,240,510.25
  5. Step 5: Solve for x
    x = 396,000,240,510.25/419,493.50
  6. Step 6: Final answer
    x = 943,996.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.