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Finding the Third Proportional to 49,189 and 107,612

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Solution

The third proportional to 49,189 and 107,612 is: 235,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189 : 107,612 = 107,612 : x
  2. Step 2: Convert to fraction form
    49,189/107,612 = 107,612/x
  3. Step 3: Cross multiply
    49,189x = 107,612 × 107,612
  4. Step 4: Simplify right side
    49,189x = 11,580,342,544
  5. Step 5: Solve for x
    x = 11,580,342,544/49,189
  6. Step 6: Final answer
    x = 235,425.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.