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Finding the Third Proportional to 67,588,665 and 138,760,410

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Solution

The third proportional to 67,588,665 and 138,760,410 is: 284,876,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,588,665 : 138,760,410 = 138,760,410 : x
  2. Step 2: Convert to fraction form
    67,588,665/138,760,410 = 138,760,410/x
  3. Step 3: Cross multiply
    67,588,665x = 138,760,410 × 138,760,410
  4. Step 4: Simplify right side
    67,588,665x = 19,254,451,383,368,100
  5. Step 5: Solve for x
    x = 19,254,451,383,368,100/67,588,665
  6. Step 6: Final answer
    x = 284,876,929.93

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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.