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Finding the Third Proportional to 126,448 and 190,008

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Solution

The third proportional to 126,448 and 190,008 is: 285,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,448 : 190,008 = 190,008 : x
  2. Step 2: Convert to fraction form
    126,448/190,008 = 190,008/x
  3. Step 3: Cross multiply
    126,448x = 190,008 × 190,008
  4. Step 4: Simplify right side
    126,448x = 36,103,040,064
  5. Step 5: Solve for x
    x = 36,103,040,064/126,448
  6. Step 6: Final answer
    x = 285,516.89

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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.