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Finding the Third Proportional to 238,676,079 and 356,544,198

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Solution

The third proportional to 238,676,079 and 356,544,198 is: 532,620,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,676,079 : 356,544,198 = 356,544,198 : x
  2. Step 2: Convert to fraction form
    238,676,079/356,544,198 = 356,544,198/x
  3. Step 3: Cross multiply
    238,676,079x = 356,544,198 × 356,544,198
  4. Step 4: Simplify right side
    238,676,079x = 127,123,765,127,463,200
  5. Step 5: Solve for x
    x = 127,123,765,127,463,200/238,676,079
  6. Step 6: Final answer
    x = 532,620,468.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.