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Finding the Third Proportional to 4,232.67 and 9,171.56

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Solution

The third proportional to 4,232.67 and 9,171.56 is: 19,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,232.67 : 9,171.56 = 9,171.56 : x
  2. Step 2: Convert to fraction form
    4,232.67/9,171.56 = 9,171.56/x
  3. Step 3: Cross multiply
    4,232.67x = 9,171.56 × 9,171.56
  4. Step 4: Simplify right side
    4,232.67x = 84,117,558.69
  5. Step 5: Solve for x
    x = 84,117,558.69/4,232.67
  6. Step 6: Final answer
    x = 19,873.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.