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Finding the Third Proportional to 34,365 and 73,812

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Solution

The third proportional to 34,365 and 73,812 is: 158,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,365 : 73,812 = 73,812 : x
  2. Step 2: Convert to fraction form
    34,365/73,812 = 73,812/x
  3. Step 3: Cross multiply
    34,365x = 73,812 × 73,812
  4. Step 4: Simplify right side
    34,365x = 5,448,211,344
  5. Step 5: Solve for x
    x = 5,448,211,344/34,365
  6. Step 6: Final answer
    x = 158,539.54

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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.