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Finding the Third Proportional to 133,578 and 186,759

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Solution

The third proportional to 133,578 and 186,759 is: 261,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,578 : 186,759 = 186,759 : x
  2. Step 2: Convert to fraction form
    133,578/186,759 = 186,759/x
  3. Step 3: Cross multiply
    133,578x = 186,759 × 186,759
  4. Step 4: Simplify right side
    133,578x = 34,878,924,081
  5. Step 5: Solve for x
    x = 34,878,924,081/133,578
  6. Step 6: Final answer
    x = 261,112.79

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.