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Finding the Third Proportional to 119,800,980 and 171,198,372

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Solution

The third proportional to 119,800,980 and 171,198,372 is: 244,646,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,800,980 : 171,198,372 = 171,198,372 : x
  2. Step 2: Convert to fraction form
    119,800,980/171,198,372 = 171,198,372/x
  3. Step 3: Cross multiply
    119,800,980x = 171,198,372 × 171,198,372
  4. Step 4: Simplify right side
    119,800,980x = 29,308,882,575,450,384
  5. Step 5: Solve for x
    x = 29,308,882,575,450,384/119,800,980
  6. Step 6: Final answer
    x = 244,646,434.24

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.