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Finding the Third Proportional to 1,213,783 and 2,616,880

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Solution

The third proportional to 1,213,783 and 2,616,880 is: 5,641,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,783 : 2,616,880 = 2,616,880 : x
  2. Step 2: Convert to fraction form
    1,213,783/2,616,880 = 2,616,880/x
  3. Step 3: Cross multiply
    1,213,783x = 2,616,880 × 2,616,880
  4. Step 4: Simplify right side
    1,213,783x = 6,848,060,934,400
  5. Step 5: Solve for x
    x = 6,848,060,934,400/1,213,783
  6. Step 6: Final answer
    x = 5,641,915.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.