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Finding the Third Proportional to 9,122.63 and 13,724.44

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Solution

The third proportional to 9,122.63 and 13,724.44 is: 20,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.63 : 13,724.44 = 13,724.44 : x
  2. Step 2: Convert to fraction form
    9,122.63/13,724.44 = 13,724.44/x
  3. Step 3: Cross multiply
    9,122.63x = 13,724.44 × 13,724.44
  4. Step 4: Simplify right side
    9,122.63x = 188,360,184.69
  5. Step 5: Solve for x
    x = 188,360,184.69/9,122.63
  6. Step 6: Final answer
    x = 20,647.59

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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.