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Finding the Third Proportional to 3,997,845.91 and 5,846,839.45

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Solution

The third proportional to 3,997,845.91 and 5,846,839.45 is: 8,550,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,845.91 : 5,846,839.45 = 5,846,839.45 : x
  2. Step 2: Convert to fraction form
    3,997,845.91/5,846,839.45 = 5,846,839.45/x
  3. Step 3: Cross multiply
    3,997,845.91x = 5,846,839.45 × 5,846,839.45
  4. Step 4: Simplify right side
    3,997,845.91x = 34,185,531,590,619.05
  5. Step 5: Solve for x
    x = 34,185,531,590,619.05/3,997,845.91
  6. Step 6: Final answer
    x = 8,550,987.79

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.