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Finding the Third Proportional to 8,431,823 and 12,624,622

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Solution

The third proportional to 8,431,823 and 12,624,622 is: 18,902,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,823 : 12,624,622 = 12,624,622 : x
  2. Step 2: Convert to fraction form
    8,431,823/12,624,622 = 12,624,622/x
  3. Step 3: Cross multiply
    8,431,823x = 12,624,622 × 12,624,622
  4. Step 4: Simplify right side
    8,431,823x = 159,381,080,642,884
  5. Step 5: Solve for x
    x = 159,381,080,642,884/8,431,823
  6. Step 6: Final answer
    x = 18,902,327.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.