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Finding the Third Proportional to 101,824 and 155,760

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Solution

The third proportional to 101,824 and 155,760 is: 238,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,824 : 155,760 = 155,760 : x
  2. Step 2: Convert to fraction form
    101,824/155,760 = 155,760/x
  3. Step 3: Cross multiply
    101,824x = 155,760 × 155,760
  4. Step 4: Simplify right side
    101,824x = 24,261,177,600
  5. Step 5: Solve for x
    x = 24,261,177,600/101,824
  6. Step 6: Final answer
    x = 238,265.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.