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Finding the Third Proportional to 388,869,777 and 568,541,198.25

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Solution

The third proportional to 388,869,777 and 568,541,198.25 is: 831,227,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,869,777 : 568,541,198.25 = 568,541,198.25 : x
  2. Step 2: Convert to fraction form
    388,869,777/568,541,198.25 = 568,541,198.25/x
  3. Step 3: Cross multiply
    388,869,777x = 568,541,198.25 × 568,541,198.25
  4. Step 4: Simplify right side
    388,869,777x = 323,239,094,107,545,792
  5. Step 5: Solve for x
    x = 323,239,094,107,545,792/388,869,777
  6. Step 6: Final answer
    x = 831,227,092.53

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.