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Finding the Third Proportional to 87,388 and 187,232

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Solution

The third proportional to 87,388 and 187,232 is: 401,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,388 : 187,232 = 187,232 : x
  2. Step 2: Convert to fraction form
    87,388/187,232 = 187,232/x
  3. Step 3: Cross multiply
    87,388x = 187,232 × 187,232
  4. Step 4: Simplify right side
    87,388x = 35,055,821,824
  5. Step 5: Solve for x
    x = 35,055,821,824/87,388
  6. Step 6: Final answer
    x = 401,151.44

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.