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Finding the Third Proportional to 386,801,790.50 and 834,858,940

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Solution

The third proportional to 386,801,790.50 and 834,858,940 is: 1,801,929,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,801,790.50 : 834,858,940 = 834,858,940 : x
  2. Step 2: Convert to fraction form
    386,801,790.50/834,858,940 = 834,858,940/x
  3. Step 3: Cross multiply
    386,801,790.50x = 834,858,940 × 834,858,940
  4. Step 4: Simplify right side
    386,801,790.50x = 696,989,449,697,923,584
  5. Step 5: Solve for x
    x = 696,989,449,697,923,584/386,801,790.50
  6. Step 6: Final answer
    x = 1,801,929,222.71

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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.