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Finding the Third Proportional to 996,869 and 2,135,488

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Solution

The third proportional to 996,869 and 2,135,488 is: 4,574,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,869 : 2,135,488 = 2,135,488 : x
  2. Step 2: Convert to fraction form
    996,869/2,135,488 = 2,135,488/x
  3. Step 3: Cross multiply
    996,869x = 2,135,488 × 2,135,488
  4. Step 4: Simplify right side
    996,869x = 4,560,308,998,144
  5. Step 5: Solve for x
    x = 4,560,308,998,144/996,869
  6. Step 6: Final answer
    x = 4,574,632.17

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.