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Finding the Third Proportional to 392,313,930 and 847,036,524

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Solution

The third proportional to 392,313,930 and 847,036,524 is: 1,828,818,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,313,930 : 847,036,524 = 847,036,524 : x
  2. Step 2: Convert to fraction form
    392,313,930/847,036,524 = 847,036,524/x
  3. Step 3: Cross multiply
    392,313,930x = 847,036,524 × 847,036,524
  4. Step 4: Simplify right side
    392,313,930x = 717,470,872,990,002,560
  5. Step 5: Solve for x
    x = 717,470,872,990,002,560/392,313,930
  6. Step 6: Final answer
    x = 1,828,818,245.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.