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Finding the Third Proportional to 73,240 and 159,912

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Solution

The third proportional to 73,240 and 159,912 is: 349,151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,240 : 159,912 = 159,912 : x
  2. Step 2: Convert to fraction form
    73,240/159,912 = 159,912/x
  3. Step 3: Cross multiply
    73,240x = 159,912 × 159,912
  4. Step 4: Simplify right side
    73,240x = 25,571,847,744
  5. Step 5: Solve for x
    x = 25,571,847,744/73,240
  6. Step 6: Final answer
    x = 349,151.39

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Why These Related Problems?

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