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Finding the Third Proportional to 168,991,032 and 356,139,636

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Solution

The third proportional to 168,991,032 and 356,139,636 is: 750,545,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,991,032 : 356,139,636 = 356,139,636 : x
  2. Step 2: Convert to fraction form
    168,991,032/356,139,636 = 356,139,636/x
  3. Step 3: Cross multiply
    168,991,032x = 356,139,636 × 356,139,636
  4. Step 4: Simplify right side
    168,991,032x = 126,835,440,330,212,496
  5. Step 5: Solve for x
    x = 126,835,440,330,212,496/168,991,032
  6. Step 6: Final answer
    x = 750,545,391.84

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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.