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Finding the Third Proportional to 49,120 and 75,544

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Solution

The third proportional to 49,120 and 75,544 is: 116,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,120 : 75,544 = 75,544 : x
  2. Step 2: Convert to fraction form
    49,120/75,544 = 75,544/x
  3. Step 3: Cross multiply
    49,120x = 75,544 × 75,544
  4. Step 4: Simplify right side
    49,120x = 5,706,895,936
  5. Step 5: Solve for x
    x = 5,706,895,936/49,120
  6. Step 6: Final answer
    x = 116,182.73

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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.