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Finding the Third Proportional to 18,811,665 and 27,491,634

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Solution

The third proportional to 18,811,665 and 27,491,634 is: 40,176,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811,665 : 27,491,634 = 27,491,634 : x
  2. Step 2: Convert to fraction form
    18,811,665/27,491,634 = 27,491,634/x
  3. Step 3: Cross multiply
    18,811,665x = 27,491,634 × 27,491,634
  4. Step 4: Simplify right side
    18,811,665x = 755,789,939,989,956
  5. Step 5: Solve for x
    x = 755,789,939,989,956/18,811,665
  6. Step 6: Final answer
    x = 40,176,663.79

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.