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Finding the Third Proportional to 69,755,454 and 150,171,831

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Solution

The third proportional to 69,755,454 and 150,171,831 is: 323,294,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,755,454 : 150,171,831 = 150,171,831 : x
  2. Step 2: Convert to fraction form
    69,755,454/150,171,831 = 150,171,831/x
  3. Step 3: Cross multiply
    69,755,454x = 150,171,831 × 150,171,831
  4. Step 4: Simplify right side
    69,755,454x = 22,551,578,825,892,560
  5. Step 5: Solve for x
    x = 22,551,578,825,892,560/69,755,454
  6. Step 6: Final answer
    x = 323,294,846.96

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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.