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Finding the Third Proportional to 2,007.28 and 4,323.09

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Solution

The third proportional to 2,007.28 and 4,323.09 is: 9,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.28 : 4,323.09 = 4,323.09 : x
  2. Step 2: Convert to fraction form
    2,007.28/4,323.09 = 4,323.09/x
  3. Step 3: Cross multiply
    2,007.28x = 4,323.09 × 4,323.09
  4. Step 4: Simplify right side
    2,007.28x = 18,689,139.57
  5. Step 5: Solve for x
    x = 18,689,139.57/2,007.28
  6. Step 6: Final answer
    x = 9,310.67

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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.