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Finding the Third Proportional to 3,551.77 and 5,571.91

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Solution

The third proportional to 3,551.77 and 5,571.91 is: 8,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.77 : 5,571.91 = 5,571.91 : x
  2. Step 2: Convert to fraction form
    3,551.77/5,571.91 = 5,571.91/x
  3. Step 3: Cross multiply
    3,551.77x = 5,571.91 × 5,571.91
  4. Step 4: Simplify right side
    3,551.77x = 31,046,226.32
  5. Step 5: Solve for x
    x = 31,046,226.32/3,551.77
  6. Step 6: Final answer
    x = 8,741.07

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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.