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Finding the Third Proportional to 37,004.81 and 81,390.75

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Solution

The third proportional to 37,004.81 and 81,390.75 is: 179,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,004.81 : 81,390.75 = 81,390.75 : x
  2. Step 2: Convert to fraction form
    37,004.81/81,390.75 = 81,390.75/x
  3. Step 3: Cross multiply
    37,004.81x = 81,390.75 × 81,390.75
  4. Step 4: Simplify right side
    37,004.81x = 6,624,454,185.56
  5. Step 5: Solve for x
    x = 6,624,454,185.56/37,004.81
  6. Step 6: Final answer
    x = 179,016.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.