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Finding the Third Proportional to 37,912.50 and 81,549

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Solution

The third proportional to 37,912.50 and 81,549 is: 175,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.50 : 81,549 = 81,549 : x
  2. Step 2: Convert to fraction form
    37,912.50/81,549 = 81,549/x
  3. Step 3: Cross multiply
    37,912.50x = 81,549 × 81,549
  4. Step 4: Simplify right side
    37,912.50x = 6,650,239,401
  5. Step 5: Solve for x
    x = 6,650,239,401/37,912.50
  6. Step 6: Final answer
    x = 175,410.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.