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Finding the Third Proportional to 126,833 and 189,853

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Solution

The third proportional to 126,833 and 189,853 is: 284,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,833 : 189,853 = 189,853 : x
  2. Step 2: Convert to fraction form
    126,833/189,853 = 189,853/x
  3. Step 3: Cross multiply
    126,833x = 189,853 × 189,853
  4. Step 4: Simplify right side
    126,833x = 36,044,161,609
  5. Step 5: Solve for x
    x = 36,044,161,609/126,833
  6. Step 6: Final answer
    x = 284,185.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.