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Finding the Third Proportional to 373,860,771 and 813,553,790

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Solution

The third proportional to 373,860,771 and 813,553,790 is: 1,770,364,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,860,771 : 813,553,790 = 813,553,790 : x
  2. Step 2: Convert to fraction form
    373,860,771/813,553,790 = 813,553,790/x
  3. Step 3: Cross multiply
    373,860,771x = 813,553,790 × 813,553,790
  4. Step 4: Simplify right side
    373,860,771x = 661,869,769,223,364,096
  5. Step 5: Solve for x
    x = 661,869,769,223,364,096/373,860,771
  6. Step 6: Final answer
    x = 1,770,364,318.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.