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Finding the Third Proportional to 157,208 and 222,232

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Solution

The third proportional to 157,208 and 222,232 is: 314,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,208 : 222,232 = 222,232 : x
  2. Step 2: Convert to fraction form
    157,208/222,232 = 222,232/x
  3. Step 3: Cross multiply
    157,208x = 222,232 × 222,232
  4. Step 4: Simplify right side
    157,208x = 49,387,061,824
  5. Step 5: Solve for x
    x = 49,387,061,824/157,208
  6. Step 6: Final answer
    x = 314,151.07

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.