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Finding the Third Proportional to 75,249 and 116,181

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Solution

The third proportional to 75,249 and 116,181 is: 179,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249 : 116,181 = 116,181 : x
  2. Step 2: Convert to fraction form
    75,249/116,181 = 116,181/x
  3. Step 3: Cross multiply
    75,249x = 116,181 × 116,181
  4. Step 4: Simplify right side
    75,249x = 13,498,024,761
  5. Step 5: Solve for x
    x = 13,498,024,761/75,249
  6. Step 6: Final answer
    x = 179,378.13

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.