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Finding the Third Proportional to 996,900 and 2,193,168

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Solution

The third proportional to 996,900 and 2,193,168 is: 4,824,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,900 : 2,193,168 = 2,193,168 : x
  2. Step 2: Convert to fraction form
    996,900/2,193,168 = 2,193,168/x
  3. Step 3: Cross multiply
    996,900x = 2,193,168 × 2,193,168
  4. Step 4: Simplify right side
    996,900x = 4,809,985,876,224
  5. Step 5: Solve for x
    x = 4,809,985,876,224/996,900
  6. Step 6: Final answer
    x = 4,824,943.20

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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.