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Finding the Third Proportional to 8,718,422 and 11,968,012

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Solution

The third proportional to 8,718,422 and 11,968,012 is: 16,428,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,422 : 11,968,012 = 11,968,012 : x
  2. Step 2: Convert to fraction form
    8,718,422/11,968,012 = 11,968,012/x
  3. Step 3: Cross multiply
    8,718,422x = 11,968,012 × 11,968,012
  4. Step 4: Simplify right side
    8,718,422x = 143,233,311,232,144
  5. Step 5: Solve for x
    x = 143,233,311,232,144/8,718,422
  6. Step 6: Final answer
    x = 16,428,811.46

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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.