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Finding the Third Proportional to 8,485,956 and 18,892,652

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Solution

The third proportional to 8,485,956 and 18,892,652 is: 42,061,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485,956 : 18,892,652 = 18,892,652 : x
  2. Step 2: Convert to fraction form
    8,485,956/18,892,652 = 18,892,652/x
  3. Step 3: Cross multiply
    8,485,956x = 18,892,652 × 18,892,652
  4. Step 4: Simplify right side
    8,485,956x = 356,932,299,593,104
  5. Step 5: Solve for x
    x = 356,932,299,593,104/8,485,956
  6. Step 6: Final answer
    x = 42,061,530.79

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.