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Finding the Third Proportional to 37,650 and 81,858.75

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Solution

The third proportional to 37,650 and 81,858.75 is: 177,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,650 : 81,858.75 = 81,858.75 : x
  2. Step 2: Convert to fraction form
    37,650/81,858.75 = 81,858.75/x
  3. Step 3: Cross multiply
    37,650x = 81,858.75 × 81,858.75
  4. Step 4: Simplify right side
    37,650x = 6,700,854,951.56
  5. Step 5: Solve for x
    x = 6,700,854,951.56/37,650
  6. Step 6: Final answer
    x = 177,977.56

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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.