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Finding the Third Proportional to 391,370,022 and 838,763,451

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Solution

The third proportional to 391,370,022 and 838,763,451 is: 1,797,593,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,370,022 : 838,763,451 = 838,763,451 : x
  2. Step 2: Convert to fraction form
    391,370,022/838,763,451 = 838,763,451/x
  3. Step 3: Cross multiply
    391,370,022x = 838,763,451 × 838,763,451
  4. Step 4: Simplify right side
    391,370,022x = 703,524,126,733,429,376
  5. Step 5: Solve for x
    x = 703,524,126,733,429,376/391,370,022
  6. Step 6: Final answer
    x = 1,797,593,293.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.