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Finding the Third Proportional to 984,876 and 2,116,881

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Solution

The third proportional to 984,876 and 2,116,881 is: 4,549,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,876 : 2,116,881 = 2,116,881 : x
  2. Step 2: Convert to fraction form
    984,876/2,116,881 = 2,116,881/x
  3. Step 3: Cross multiply
    984,876x = 2,116,881 × 2,116,881
  4. Step 4: Simplify right side
    984,876x = 4,481,185,168,161
  5. Step 5: Solve for x
    x = 4,481,185,168,161/984,876
  6. Step 6: Final answer
    x = 4,549,999.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.