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Finding the Third Proportional to 999,655 and 2,198,529

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Solution

The third proportional to 999,655 and 2,198,529 is: 4,835,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,655 : 2,198,529 = 2,198,529 : x
  2. Step 2: Convert to fraction form
    999,655/2,198,529 = 2,198,529/x
  3. Step 3: Cross multiply
    999,655x = 2,198,529 × 2,198,529
  4. Step 4: Simplify right side
    999,655x = 4,833,529,763,841
  5. Step 5: Solve for x
    x = 4,833,529,763,841/999,655
  6. Step 6: Final answer
    x = 4,835,197.91

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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.