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Finding the Third Proportional to 4,745.53 and 10,221.19

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Solution

The third proportional to 4,745.53 and 10,221.19 is: 22,014.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.53 : 10,221.19 = 10,221.19 : x
  2. Step 2: Convert to fraction form
    4,745.53/10,221.19 = 10,221.19/x
  3. Step 3: Cross multiply
    4,745.53x = 10,221.19 × 10,221.19
  4. Step 4: Simplify right side
    4,745.53x = 104,472,673.91
  5. Step 5: Solve for x
    x = 104,472,673.91/4,745.53
  6. Step 6: Final answer
    x = 22,014.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.