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Finding the Third Proportional to 7,809,890 and 16,963,110

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Solution

The third proportional to 7,809,890 and 16,963,110 is: 36,843,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809,890 : 16,963,110 = 16,963,110 : x
  2. Step 2: Convert to fraction form
    7,809,890/16,963,110 = 16,963,110/x
  3. Step 3: Cross multiply
    7,809,890x = 16,963,110 × 16,963,110
  4. Step 4: Simplify right side
    7,809,890x = 287,747,100,872,100
  5. Step 5: Solve for x
    x = 287,747,100,872,100/7,809,890
  6. Step 6: Final answer
    x = 36,843,937.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.