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Finding the Third Proportional to 8,571.45 and 11,464.66

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Solution

The third proportional to 8,571.45 and 11,464.66 is: 15,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.45 : 11,464.66 = 11,464.66 : x
  2. Step 2: Convert to fraction form
    8,571.45/11,464.66 = 11,464.66/x
  3. Step 3: Cross multiply
    8,571.45x = 11,464.66 × 11,464.66
  4. Step 4: Simplify right side
    8,571.45x = 131,438,522.07
  5. Step 5: Solve for x
    x = 131,438,522.07/8,571.45
  6. Step 6: Final answer
    x = 15,334.46

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.