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Finding the Third Proportional to 9,161.44 and 15,175.69

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Solution

The third proportional to 9,161.44 and 15,175.69 is: 25,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.44 : 15,175.69 = 15,175.69 : x
  2. Step 2: Convert to fraction form
    9,161.44/15,175.69 = 15,175.69/x
  3. Step 3: Cross multiply
    9,161.44x = 15,175.69 × 15,175.69
  4. Step 4: Simplify right side
    9,161.44x = 230,301,491.10
  5. Step 5: Solve for x
    x = 230,301,491.10/9,161.44
  6. Step 6: Final answer
    x = 25,138.14

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.