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Finding the Third Proportional to 91,997,958 and 197,481,042

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Solution

The third proportional to 91,997,958 and 197,481,042 is: 423,908,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,997,958 : 197,481,042 = 197,481,042 : x
  2. Step 2: Convert to fraction form
    91,997,958/197,481,042 = 197,481,042/x
  3. Step 3: Cross multiply
    91,997,958x = 197,481,042 × 197,481,042
  4. Step 4: Simplify right side
    91,997,958x = 38,998,761,949,405,760
  5. Step 5: Solve for x
    x = 38,998,761,949,405,760/91,997,958
  6. Step 6: Final answer
    x = 423,908,995.34

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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.