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Finding the Third Proportional to 3,888,890 and 6,086,631

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Solution

The third proportional to 3,888,890 and 6,086,631 is: 9,526,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,890 : 6,086,631 = 6,086,631 : x
  2. Step 2: Convert to fraction form
    3,888,890/6,086,631 = 6,086,631/x
  3. Step 3: Cross multiply
    3,888,890x = 6,086,631 × 6,086,631
  4. Step 4: Simplify right side
    3,888,890x = 37,047,076,930,161
  5. Step 5: Solve for x
    x = 37,047,076,930,161/3,888,890
  6. Step 6: Final answer
    x = 9,526,388.49

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.