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Finding the Third Proportional to 999,494 and 2,114,908

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Solution

The third proportional to 999,494 and 2,114,908 is: 4,475,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,494 : 2,114,908 = 2,114,908 : x
  2. Step 2: Convert to fraction form
    999,494/2,114,908 = 2,114,908/x
  3. Step 3: Cross multiply
    999,494x = 2,114,908 × 2,114,908
  4. Step 4: Simplify right side
    999,494x = 4,472,835,848,464
  5. Step 5: Solve for x
    x = 4,472,835,848,464/999,494
  6. Step 6: Final answer
    x = 4,475,100.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.