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Finding the Third Proportional to 996,911 and 2,186,825

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Solution

The third proportional to 996,911 and 2,186,825 is: 4,797,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,911 : 2,186,825 = 2,186,825 : x
  2. Step 2: Convert to fraction form
    996,911/2,186,825 = 2,186,825/x
  3. Step 3: Cross multiply
    996,911x = 2,186,825 × 2,186,825
  4. Step 4: Simplify right side
    996,911x = 4,782,203,580,625
  5. Step 5: Solve for x
    x = 4,782,203,580,625/996,911
  6. Step 6: Final answer
    x = 4,797,021.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.