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Finding the Third Proportional to 9,311.63 and 20,265.75

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Solution

The third proportional to 9,311.63 and 20,265.75 is: 44,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.63 : 20,265.75 = 20,265.75 : x
  2. Step 2: Convert to fraction form
    9,311.63/20,265.75 = 20,265.75/x
  3. Step 3: Cross multiply
    9,311.63x = 20,265.75 × 20,265.75
  4. Step 4: Simplify right side
    9,311.63x = 410,700,623.06
  5. Step 5: Solve for x
    x = 410,700,623.06/9,311.63
  6. Step 6: Final answer
    x = 44,106.22

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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.