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Finding the Third Proportional to 388,912.50 and 844,218

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Solution

The third proportional to 388,912.50 and 844,218 is: 1,832,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,912.50 : 844,218 = 844,218 : x
  2. Step 2: Convert to fraction form
    388,912.50/844,218 = 844,218/x
  3. Step 3: Cross multiply
    388,912.50x = 844,218 × 844,218
  4. Step 4: Simplify right side
    388,912.50x = 712,704,031,524
  5. Step 5: Solve for x
    x = 712,704,031,524/388,912.50
  6. Step 6: Final answer
    x = 1,832,556.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.