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Finding the Third Proportional to 5,383,812 and 11,612,940

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Solution

The third proportional to 5,383,812 and 11,612,940 is: 25,049,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383,812 : 11,612,940 = 11,612,940 : x
  2. Step 2: Convert to fraction form
    5,383,812/11,612,940 = 11,612,940/x
  3. Step 3: Cross multiply
    5,383,812x = 11,612,940 × 11,612,940
  4. Step 4: Simplify right side
    5,383,812x = 134,860,375,443,600
  5. Step 5: Solve for x
    x = 134,860,375,443,600/5,383,812
  6. Step 6: Final answer
    x = 25,049,235.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.