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Finding the Third Proportional to 101,744 and 157,728

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Solution

The third proportional to 101,744 and 157,728 is: 244,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,744 : 157,728 = 157,728 : x
  2. Step 2: Convert to fraction form
    101,744/157,728 = 157,728/x
  3. Step 3: Cross multiply
    101,744x = 157,728 × 157,728
  4. Step 4: Simplify right side
    101,744x = 24,878,121,984
  5. Step 5: Solve for x
    x = 24,878,121,984/101,744
  6. Step 6: Final answer
    x = 244,516.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.