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Finding the Third Proportional to 996,901 and 2,193,169

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Solution

The third proportional to 996,901 and 2,193,169 is: 4,824,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,901 : 2,193,169 = 2,193,169 : x
  2. Step 2: Convert to fraction form
    996,901/2,193,169 = 2,193,169/x
  3. Step 3: Cross multiply
    996,901x = 2,193,169 × 2,193,169
  4. Step 4: Simplify right side
    996,901x = 4,809,990,262,561
  5. Step 5: Solve for x
    x = 4,809,990,262,561/996,901
  6. Step 6: Final answer
    x = 4,824,942.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.