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Finding the Third Proportional to 8,879.63 and 13,342.22

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Solution

The third proportional to 8,879.63 and 13,342.22 is: 20,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.63 : 13,342.22 = 13,342.22 : x
  2. Step 2: Convert to fraction form
    8,879.63/13,342.22 = 13,342.22/x
  3. Step 3: Cross multiply
    8,879.63x = 13,342.22 × 13,342.22
  4. Step 4: Simplify right side
    8,879.63x = 178,014,801.17
  5. Step 5: Solve for x
    x = 178,014,801.17/8,879.63
  6. Step 6: Final answer
    x = 20,047.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.