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Finding the Third Proportional to 75,134 and 116,278

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Solution

The third proportional to 75,134 and 116,278 is: 179,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134 : 116,278 = 116,278 : x
  2. Step 2: Convert to fraction form
    75,134/116,278 = 116,278/x
  3. Step 3: Cross multiply
    75,134x = 116,278 × 116,278
  4. Step 4: Simplify right side
    75,134x = 13,520,573,284
  5. Step 5: Solve for x
    x = 13,520,573,284/75,134
  6. Step 6: Final answer
    x = 179,952.79

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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.