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Finding the Third Proportional to 996,876 and 2,186,756

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Solution

The third proportional to 996,876 and 2,186,756 is: 4,796,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,876 : 2,186,756 = 2,186,756 : x
  2. Step 2: Convert to fraction form
    996,876/2,186,756 = 2,186,756/x
  3. Step 3: Cross multiply
    996,876x = 2,186,756 × 2,186,756
  4. Step 4: Simplify right side
    996,876x = 4,781,901,803,536
  5. Step 5: Solve for x
    x = 4,781,901,803,536/996,876
  6. Step 6: Final answer
    x = 4,796,887.28

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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.