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Finding the Third Proportional to 394,044 and 854,136

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Solution

The third proportional to 394,044 and 854,136 is: 1,851,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,044 : 854,136 = 854,136 : x
  2. Step 2: Convert to fraction form
    394,044/854,136 = 854,136/x
  3. Step 3: Cross multiply
    394,044x = 854,136 × 854,136
  4. Step 4: Simplify right side
    394,044x = 729,548,306,496
  5. Step 5: Solve for x
    x = 729,548,306,496/394,044
  6. Step 6: Final answer
    x = 1,851,438.69

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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.