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Finding the Third Proportional to 7,981.50 and 17,361.75

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Solution

The third proportional to 7,981.50 and 17,361.75 is: 37,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.50 : 17,361.75 = 17,361.75 : x
  2. Step 2: Convert to fraction form
    7,981.50/17,361.75 = 17,361.75/x
  3. Step 3: Cross multiply
    7,981.50x = 17,361.75 × 17,361.75
  4. Step 4: Simplify right side
    7,981.50x = 301,430,363.06
  5. Step 5: Solve for x
    x = 301,430,363.06/7,981.50
  6. Step 6: Final answer
    x = 37,766.13

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.