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Finding the Third Proportional to 18,811,678 and 27,491,654

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Solution

The third proportional to 18,811,678 and 27,491,654 is: 40,176,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811,678 : 27,491,654 = 27,491,654 : x
  2. Step 2: Convert to fraction form
    18,811,678/27,491,654 = 27,491,654/x
  3. Step 3: Cross multiply
    18,811,678x = 27,491,654 × 27,491,654
  4. Step 4: Simplify right side
    18,811,678x = 755,791,039,655,716
  5. Step 5: Solve for x
    x = 755,791,039,655,716/18,811,678
  6. Step 6: Final answer
    x = 40,176,694.48

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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.