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Finding the Third Proportional to 69,755,907 and 150,172,638

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Solution

The third proportional to 69,755,907 and 150,172,638 is: 323,296,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,755,907 : 150,172,638 = 150,172,638 : x
  2. Step 2: Convert to fraction form
    69,755,907/150,172,638 = 150,172,638/x
  3. Step 3: Cross multiply
    69,755,907x = 150,172,638 × 150,172,638
  4. Step 4: Simplify right side
    69,755,907x = 22,551,821,203,879,044
  5. Step 5: Solve for x
    x = 22,551,821,203,879,044/69,755,907
  6. Step 6: Final answer
    x = 323,296,222.12

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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.