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Finding the Third Proportional to 9,311 and 20,263

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Solution

The third proportional to 9,311 and 20,263 is: 44,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311 : 20,263 = 20,263 : x
  2. Step 2: Convert to fraction form
    9,311/20,263 = 20,263/x
  3. Step 3: Cross multiply
    9,311x = 20,263 × 20,263
  4. Step 4: Simplify right side
    9,311x = 410,589,169
  5. Step 5: Solve for x
    x = 410,589,169/9,311
  6. Step 6: Final answer
    x = 44,097.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.