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Finding the Third Proportional to 16,824,691 and 36,520,811

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Solution

The third proportional to 16,824,691 and 36,520,811 is: 79,274,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,824,691 : 36,520,811 = 36,520,811 : x
  2. Step 2: Convert to fraction form
    16,824,691/36,520,811 = 36,520,811/x
  3. Step 3: Cross multiply
    16,824,691x = 36,520,811 × 36,520,811
  4. Step 4: Simplify right side
    16,824,691x = 1,333,769,636,097,721
  5. Step 5: Solve for x
    x = 1,333,769,636,097,721/16,824,691
  6. Step 6: Final answer
    x = 79,274,539.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.