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Finding the Third Proportional to 1,648,745,424 and 3,555,763,876

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Solution

The third proportional to 1,648,745,424 and 3,555,763,876 is: 7,668,531,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,745,424 : 3,555,763,876 = 3,555,763,876 : x
  2. Step 2: Convert to fraction form
    1,648,745,424/3,555,763,876 = 3,555,763,876/x
  3. Step 3: Cross multiply
    1,648,745,424x = 3,555,763,876 × 3,555,763,876
  4. Step 4: Simplify right side
    1,648,745,424x = 12,643,456,741,866,543,104
  5. Step 5: Solve for x
    x = 12,643,456,741,866,543,104/1,648,745,424
  6. Step 6: Final answer
    x = 7,668,531,816.87

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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.