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Finding the Third Proportional to 8,521,346 and 11,985,839

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Solution

The third proportional to 8,521,346 and 11,985,839 is: 16,858,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,346 : 11,985,839 = 11,985,839 : x
  2. Step 2: Convert to fraction form
    8,521,346/11,985,839 = 11,985,839/x
  3. Step 3: Cross multiply
    8,521,346x = 11,985,839 × 11,985,839
  4. Step 4: Simplify right side
    8,521,346x = 143,660,336,533,921
  5. Step 5: Solve for x
    x = 143,660,336,533,921/8,521,346
  6. Step 6: Final answer
    x = 16,858,878.46

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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.