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Finding the Third Proportional to 1,508,430,779 and 3,247,396,751

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Solution

The third proportional to 1,508,430,779 and 3,247,396,751 is: 6,991,096,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,430,779 : 3,247,396,751 = 3,247,396,751 : x
  2. Step 2: Convert to fraction form
    1,508,430,779/3,247,396,751 = 3,247,396,751/x
  3. Step 3: Cross multiply
    1,508,430,779x = 3,247,396,751 × 3,247,396,751
  4. Step 4: Simplify right side
    1,508,430,779x = 10,545,585,658,405,355,520
  5. Step 5: Solve for x
    x = 10,545,585,658,405,355,520/1,508,430,779
  6. Step 6: Final answer
    x = 6,991,096,843.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.