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Finding the Third Proportional to 34,785 and 75,843

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Solution

The third proportional to 34,785 and 75,843 is: 165,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785 : 75,843 = 75,843 : x
  2. Step 2: Convert to fraction form
    34,785/75,843 = 75,843/x
  3. Step 3: Cross multiply
    34,785x = 75,843 × 75,843
  4. Step 4: Simplify right side
    34,785x = 5,752,160,649
  5. Step 5: Solve for x
    x = 5,752,160,649/34,785
  6. Step 6: Final answer
    x = 165,363.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.