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Finding the Third Proportional to 5,451,345 and 11,857,194

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Solution

The third proportional to 5,451,345 and 11,857,194 is: 25,790,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,345 : 11,857,194 = 11,857,194 : x
  2. Step 2: Convert to fraction form
    5,451,345/11,857,194 = 11,857,194/x
  3. Step 3: Cross multiply
    5,451,345x = 11,857,194 × 11,857,194
  4. Step 4: Simplify right side
    5,451,345x = 140,593,049,553,636
  5. Step 5: Solve for x
    x = 140,593,049,553,636/5,451,345
  6. Step 6: Final answer
    x = 25,790,525.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.