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Finding the Third Proportional to 2,099,389,638 and 4,510,333,788

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Solution

The third proportional to 2,099,389,638 and 4,510,333,788 is: 9,690,012,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,389,638 : 4,510,333,788 = 4,510,333,788 : x
  2. Step 2: Convert to fraction form
    2,099,389,638/4,510,333,788 = 4,510,333,788/x
  3. Step 3: Cross multiply
    2,099,389,638x = 4,510,333,788 × 4,510,333,788
  4. Step 4: Simplify right side
    2,099,389,638x = 20,343,110,879,174,430,720
  5. Step 5: Solve for x
    x = 20,343,110,879,174,430,720/2,099,389,638
  6. Step 6: Final answer
    x = 9,690,012,044.91

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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.