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Finding the Third Proportional to 996,909 and 2,193,186

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Solution

The third proportional to 996,909 and 2,193,186 is: 4,824,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,909 : 2,193,186 = 2,193,186 : x
  2. Step 2: Convert to fraction form
    996,909/2,193,186 = 2,193,186/x
  3. Step 3: Cross multiply
    996,909x = 2,193,186 × 2,193,186
  4. Step 4: Simplify right side
    996,909x = 4,810,064,830,596
  5. Step 5: Solve for x
    x = 4,810,064,830,596/996,909
  6. Step 6: Final answer
    x = 4,824,978.84

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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.