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Finding the Third Proportional to 1,631.81 and 3,732.75

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Solution

The third proportional to 1,631.81 and 3,732.75 is: 8,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.81 : 3,732.75 = 3,732.75 : x
  2. Step 2: Convert to fraction form
    1,631.81/3,732.75 = 3,732.75/x
  3. Step 3: Cross multiply
    1,631.81x = 3,732.75 × 3,732.75
  4. Step 4: Simplify right side
    1,631.81x = 13,933,422.56
  5. Step 5: Solve for x
    x = 13,933,422.56/1,631.81
  6. Step 6: Final answer
    x = 8,538.62

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.