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Finding the Third Proportional to 8,718,498 and 11,968,125

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Solution

The third proportional to 8,718,498 and 11,968,125 is: 16,428,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,498 : 11,968,125 = 11,968,125 : x
  2. Step 2: Convert to fraction form
    8,718,498/11,968,125 = 11,968,125/x
  3. Step 3: Cross multiply
    8,718,498x = 11,968,125 × 11,968,125
  4. Step 4: Simplify right side
    8,718,498x = 143,236,016,015,625
  5. Step 5: Solve for x
    x = 143,236,016,015,625/8,718,498
  6. Step 6: Final answer
    x = 16,428,978.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.