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Finding the Third Proportional to 115,665,868 and 154,203,954

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Solution

The third proportional to 115,665,868 and 154,203,954 is: 205,582,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,665,868 : 154,203,954 = 154,203,954 : x
  2. Step 2: Convert to fraction form
    115,665,868/154,203,954 = 154,203,954/x
  3. Step 3: Cross multiply
    115,665,868x = 154,203,954 × 154,203,954
  4. Step 4: Simplify right side
    115,665,868x = 23,778,859,429,234,116
  5. Step 5: Solve for x
    x = 23,778,859,429,234,116/115,665,868
  6. Step 6: Final answer
    x = 205,582,336.78

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.