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Finding the Third Proportional to 49,132 and 75,612

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Solution

The third proportional to 49,132 and 75,612 is: 116,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,132 : 75,612 = 75,612 : x
  2. Step 2: Convert to fraction form
    49,132/75,612 = 75,612/x
  3. Step 3: Cross multiply
    49,132x = 75,612 × 75,612
  4. Step 4: Simplify right side
    49,132x = 5,717,174,544
  5. Step 5: Solve for x
    x = 5,717,174,544/49,132
  6. Step 6: Final answer
    x = 116,363.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.