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Finding the Third Proportional to 5,225,605 and 10,661,161

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Solution

The third proportional to 5,225,605 and 10,661,161 is: 21,750,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225,605 : 10,661,161 = 10,661,161 : x
  2. Step 2: Convert to fraction form
    5,225,605/10,661,161 = 10,661,161/x
  3. Step 3: Cross multiply
    5,225,605x = 10,661,161 × 10,661,161
  4. Step 4: Simplify right side
    5,225,605x = 113,660,353,867,921
  5. Step 5: Solve for x
    x = 113,660,353,867,921/5,225,605
  6. Step 6: Final answer
    x = 21,750,659.28

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.