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Finding the Third Proportional to 5,366,984 and 8,120,268

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Solution

The third proportional to 5,366,984 and 8,120,268 is: 12,285,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366,984 : 8,120,268 = 8,120,268 : x
  2. Step 2: Convert to fraction form
    5,366,984/8,120,268 = 8,120,268/x
  3. Step 3: Cross multiply
    5,366,984x = 8,120,268 × 8,120,268
  4. Step 4: Simplify right side
    5,366,984x = 65,938,752,391,824
  5. Step 5: Solve for x
    x = 65,938,752,391,824/5,366,984
  6. Step 6: Final answer
    x = 12,285,997.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.