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Finding the Third Proportional to 1,879,758,558 and 4,071,930,876

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Solution

The third proportional to 1,879,758,558 and 4,071,930,876 is: 8,820,612,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,758,558 : 4,071,930,876 = 4,071,930,876 : x
  2. Step 2: Convert to fraction form
    1,879,758,558/4,071,930,876 = 4,071,930,876/x
  3. Step 3: Cross multiply
    1,879,758,558x = 4,071,930,876 × 4,071,930,876
  4. Step 4: Simplify right side
    1,879,758,558x = 16,580,621,058,922,127,360
  5. Step 5: Solve for x
    x = 16,580,621,058,922,127,360/1,879,758,558
  6. Step 6: Final answer
    x = 8,820,612,087.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.