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Finding the Third Proportional to 996,891 and 2,186,783

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Solution

The third proportional to 996,891 and 2,186,783 is: 4,796,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,891 : 2,186,783 = 2,186,783 : x
  2. Step 2: Convert to fraction form
    996,891/2,186,783 = 2,186,783/x
  3. Step 3: Cross multiply
    996,891x = 2,186,783 × 2,186,783
  4. Step 4: Simplify right side
    996,891x = 4,782,019,889,089
  5. Step 5: Solve for x
    x = 4,782,019,889,089/996,891
  6. Step 6: Final answer
    x = 4,796,933.56

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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.