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Finding the Third Proportional to 4,054.22 and 8,756.44

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Solution

The third proportional to 4,054.22 and 8,756.44 is: 18,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.22 : 8,756.44 = 8,756.44 : x
  2. Step 2: Convert to fraction form
    4,054.22/8,756.44 = 8,756.44/x
  3. Step 3: Cross multiply
    4,054.22x = 8,756.44 × 8,756.44
  4. Step 4: Simplify right side
    4,054.22x = 76,675,197.69
  5. Step 5: Solve for x
    x = 76,675,197.69/4,054.22
  6. Step 6: Final answer
    x = 18,912.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.