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Finding the Third Proportional to 75,279 and 110,841

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Solution

The third proportional to 75,279 and 110,841 is: 163,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279 : 110,841 = 110,841 : x
  2. Step 2: Convert to fraction form
    75,279/110,841 = 110,841/x
  3. Step 3: Cross multiply
    75,279x = 110,841 × 110,841
  4. Step 4: Simplify right side
    75,279x = 12,285,727,281
  5. Step 5: Solve for x
    x = 12,285,727,281/75,279
  6. Step 6: Final answer
    x = 163,202.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.