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Finding the Third Proportional to 7,679,121 and 16,497,938

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Solution

The third proportional to 7,679,121 and 16,497,938 is: 35,444,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,121 : 16,497,938 = 16,497,938 : x
  2. Step 2: Convert to fraction form
    7,679,121/16,497,938 = 16,497,938/x
  3. Step 3: Cross multiply
    7,679,121x = 16,497,938 × 16,497,938
  4. Step 4: Simplify right side
    7,679,121x = 272,181,958,251,844
  5. Step 5: Solve for x
    x = 272,181,958,251,844/7,679,121
  6. Step 6: Final answer
    x = 35,444,415.87

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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.