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Finding the Third Proportional to 12,711,251 and 16,320,976

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Solution

The third proportional to 12,711,251 and 16,320,976 is: 20,955,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,251 : 16,320,976 = 16,320,976 : x
  2. Step 2: Convert to fraction form
    12,711,251/16,320,976 = 16,320,976/x
  3. Step 3: Cross multiply
    12,711,251x = 16,320,976 × 16,320,976
  4. Step 4: Simplify right side
    12,711,251x = 266,374,257,592,576
  5. Step 5: Solve for x
    x = 266,374,257,592,576/12,711,251
  6. Step 6: Final answer
    x = 20,955,786.15

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.