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Finding the Third Proportional to 115,870,098 and 251,669,238

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Solution

The third proportional to 115,870,098 and 251,669,238 is: 546,624,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,870,098 : 251,669,238 = 251,669,238 : x
  2. Step 2: Convert to fraction form
    115,870,098/251,669,238 = 251,669,238/x
  3. Step 3: Cross multiply
    115,870,098x = 251,669,238 × 251,669,238
  4. Step 4: Simplify right side
    115,870,098x = 63,337,405,355,500,640
  5. Step 5: Solve for x
    x = 63,337,405,355,500,640/115,870,098
  6. Step 6: Final answer
    x = 546,624,249.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.