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Finding the Third Proportional to 188,017,731 and 412,356,138

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Solution

The third proportional to 188,017,731 and 412,356,138 is: 904,369,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,017,731 : 412,356,138 = 412,356,138 : x
  2. Step 2: Convert to fraction form
    188,017,731/412,356,138 = 412,356,138/x
  3. Step 3: Cross multiply
    188,017,731x = 412,356,138 × 412,356,138
  4. Step 4: Simplify right side
    188,017,731x = 170,037,584,546,275,040
  5. Step 5: Solve for x
    x = 170,037,584,546,275,040/188,017,731
  6. Step 6: Final answer
    x = 904,369,942.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.