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Finding the Third Proportional to 172,626 and 264,976

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Solution

The third proportional to 172,626 and 264,976 is: 406,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,626 : 264,976 = 264,976 : x
  2. Step 2: Convert to fraction form
    172,626/264,976 = 264,976/x
  3. Step 3: Cross multiply
    172,626x = 264,976 × 264,976
  4. Step 4: Simplify right side
    172,626x = 70,212,280,576
  5. Step 5: Solve for x
    x = 70,212,280,576/172,626
  6. Step 6: Final answer
    x = 406,730.62

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.