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Finding the Third Proportional to 8,955,936 and 13,419,821

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Solution

The third proportional to 8,955,936 and 13,419,821 is: 20,108,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955,936 : 13,419,821 = 13,419,821 : x
  2. Step 2: Convert to fraction form
    8,955,936/13,419,821 = 13,419,821/x
  3. Step 3: Cross multiply
    8,955,936x = 13,419,821 × 13,419,821
  4. Step 4: Simplify right side
    8,955,936x = 180,091,595,672,041
  5. Step 5: Solve for x
    x = 180,091,595,672,041/8,955,936
  6. Step 6: Final answer
    x = 20,108,629.15

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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.