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Finding the Third Proportional to 8,521,344 and 11,985,836

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Solution

The third proportional to 8,521,344 and 11,985,836 is: 16,858,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,344 : 11,985,836 = 11,985,836 : x
  2. Step 2: Convert to fraction form
    8,521,344/11,985,836 = 11,985,836/x
  3. Step 3: Cross multiply
    8,521,344x = 11,985,836 × 11,985,836
  4. Step 4: Simplify right side
    8,521,344x = 143,660,264,618,896
  5. Step 5: Solve for x
    x = 143,660,264,618,896/8,521,344
  6. Step 6: Final answer
    x = 16,858,873.98

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.