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Finding the Third Proportional to 3,113.44 and 5,491.13

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Solution

The third proportional to 3,113.44 and 5,491.13 is: 9,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.44 : 5,491.13 = 5,491.13 : x
  2. Step 2: Convert to fraction form
    3,113.44/5,491.13 = 5,491.13/x
  3. Step 3: Cross multiply
    3,113.44x = 5,491.13 × 5,491.13
  4. Step 4: Simplify right side
    3,113.44x = 30,152,453.77
  5. Step 5: Solve for x
    x = 30,152,453.77/3,113.44
  6. Step 6: Final answer
    x = 9,684.62

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.