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Finding the Third Proportional to 34,542 and 71,544

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Solution

The third proportional to 34,542 and 71,544 is: 148,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,542 : 71,544 = 71,544 : x
  2. Step 2: Convert to fraction form
    34,542/71,544 = 71,544/x
  3. Step 3: Cross multiply
    34,542x = 71,544 × 71,544
  4. Step 4: Simplify right side
    34,542x = 5,118,543,936
  5. Step 5: Solve for x
    x = 5,118,543,936/34,542
  6. Step 6: Final answer
    x = 148,183.20

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.