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Finding the Third Proportional to 67,728 and 146,592

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Solution

The third proportional to 67,728 and 146,592 is: 317,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,728 : 146,592 = 146,592 : x
  2. Step 2: Convert to fraction form
    67,728/146,592 = 146,592/x
  3. Step 3: Cross multiply
    67,728x = 146,592 × 146,592
  4. Step 4: Simplify right side
    67,728x = 21,489,214,464
  5. Step 5: Solve for x
    x = 21,489,214,464/67,728
  6. Step 6: Final answer
    x = 317,287.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.