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Finding the Third Proportional to 110,838 and 171,975

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Solution

The third proportional to 110,838 and 171,975 is: 266,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,838 : 171,975 = 171,975 : x
  2. Step 2: Convert to fraction form
    110,838/171,975 = 171,975/x
  3. Step 3: Cross multiply
    110,838x = 171,975 × 171,975
  4. Step 4: Simplify right side
    110,838x = 29,575,400,625
  5. Step 5: Solve for x
    x = 29,575,400,625/110,838
  6. Step 6: Final answer
    x = 266,834.48

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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.