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Finding the Third Proportional to 38,466,920 and 81,226,192

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Solution

The third proportional to 38,466,920 and 81,226,192 is: 171,516,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,466,920 : 81,226,192 = 81,226,192 : x
  2. Step 2: Convert to fraction form
    38,466,920/81,226,192 = 81,226,192/x
  3. Step 3: Cross multiply
    38,466,920x = 81,226,192 × 81,226,192
  4. Step 4: Simplify right side
    38,466,920x = 6,597,694,266,820,864
  5. Step 5: Solve for x
    x = 6,597,694,266,820,864/38,466,920
  6. Step 6: Final answer
    x = 171,516,052.41

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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.