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Finding the Third Proportional to 5,457,246 and 11,882,661

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Solution

The third proportional to 5,457,246 and 11,882,661 is: 25,873,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457,246 : 11,882,661 = 11,882,661 : x
  2. Step 2: Convert to fraction form
    5,457,246/11,882,661 = 11,882,661/x
  3. Step 3: Cross multiply
    5,457,246x = 11,882,661 × 11,882,661
  4. Step 4: Simplify right side
    5,457,246x = 141,197,632,440,921
  5. Step 5: Solve for x
    x = 141,197,632,440,921/5,457,246
  6. Step 6: Final answer
    x = 25,873,422.68

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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.