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Finding the Third Proportional to 984,880 and 2,116,889

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Solution

The third proportional to 984,880 and 2,116,889 is: 4,550,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,880 : 2,116,889 = 2,116,889 : x
  2. Step 2: Convert to fraction form
    984,880/2,116,889 = 2,116,889/x
  3. Step 3: Cross multiply
    984,880x = 2,116,889 × 2,116,889
  4. Step 4: Simplify right side
    984,880x = 4,481,219,038,321
  5. Step 5: Solve for x
    x = 4,481,219,038,321/984,880
  6. Step 6: Final answer
    x = 4,550,015.27

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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.