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Finding the Third Proportional to 75,291 and 110,859

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Solution

The third proportional to 75,291 and 110,859 is: 163,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,291 : 110,859 = 110,859 : x
  2. Step 2: Convert to fraction form
    75,291/110,859 = 110,859/x
  3. Step 3: Cross multiply
    75,291x = 110,859 × 110,859
  4. Step 4: Simplify right side
    75,291x = 12,289,717,881
  5. Step 5: Solve for x
    x = 12,289,717,881/75,291
  6. Step 6: Final answer
    x = 163,229.57

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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.