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Finding the Third Proportional to 7,673.25 and 10,869

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Solution

The third proportional to 7,673.25 and 10,869 is: 15,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.25 : 10,869 = 10,869 : x
  2. Step 2: Convert to fraction form
    7,673.25/10,869 = 10,869/x
  3. Step 3: Cross multiply
    7,673.25x = 10,869 × 10,869
  4. Step 4: Simplify right side
    7,673.25x = 118,135,161
  5. Step 5: Solve for x
    x = 118,135,161/7,673.25
  6. Step 6: Final answer
    x = 15,395.71

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.