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Finding the Third Proportional to 3,661.45 and 8,546.13

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Solution

The third proportional to 3,661.45 and 8,546.13 is: 19,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.45 : 8,546.13 = 8,546.13 : x
  2. Step 2: Convert to fraction form
    3,661.45/8,546.13 = 8,546.13/x
  3. Step 3: Cross multiply
    3,661.45x = 8,546.13 × 8,546.13
  4. Step 4: Simplify right side
    3,661.45x = 73,036,386.05
  5. Step 5: Solve for x
    x = 73,036,386.05/3,661.45
  6. Step 6: Final answer
    x = 19,947.38

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.