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Finding the Third Proportional to 189,647,936 and 413,754,044

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Solution

The third proportional to 189,647,936 and 413,754,044 is: 902,685,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,647,936 : 413,754,044 = 413,754,044 : x
  2. Step 2: Convert to fraction form
    189,647,936/413,754,044 = 413,754,044/x
  3. Step 3: Cross multiply
    189,647,936x = 413,754,044 × 413,754,044
  4. Step 4: Simplify right side
    189,647,936x = 171,192,408,926,353,920
  5. Step 5: Solve for x
    x = 171,192,408,926,353,920/189,647,936
  6. Step 6: Final answer
    x = 902,685,325.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.