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Finding the Third Proportional to 996,890 and 2,186,781

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Solution

The third proportional to 996,890 and 2,186,781 is: 4,796,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,890 : 2,186,781 = 2,186,781 : x
  2. Step 2: Convert to fraction form
    996,890/2,186,781 = 2,186,781/x
  3. Step 3: Cross multiply
    996,890x = 2,186,781 × 2,186,781
  4. Step 4: Simplify right side
    996,890x = 4,782,011,141,961
  5. Step 5: Solve for x
    x = 4,782,011,141,961/996,890
  6. Step 6: Final answer
    x = 4,796,929.59

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