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Finding the Third Proportional to 168,991,026 and 356,139,624

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Solution

The third proportional to 168,991,026 and 356,139,624 is: 750,545,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,991,026 : 356,139,624 = 356,139,624 : x
  2. Step 2: Convert to fraction form
    168,991,026/356,139,624 = 356,139,624/x
  3. Step 3: Cross multiply
    168,991,026x = 356,139,624 × 356,139,624
  4. Step 4: Simplify right side
    168,991,026x = 126,835,431,782,861,376
  5. Step 5: Solve for x
    x = 126,835,431,782,861,376/168,991,026
  6. Step 6: Final answer
    x = 750,545,367.91

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.