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Finding the Third Proportional to 202,338 and 291,456

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Solution

The third proportional to 202,338 and 291,456 is: 419,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,338 : 291,456 = 291,456 : x
  2. Step 2: Convert to fraction form
    202,338/291,456 = 291,456/x
  3. Step 3: Cross multiply
    202,338x = 291,456 × 291,456
  4. Step 4: Simplify right side
    202,338x = 84,946,599,936
  5. Step 5: Solve for x
    x = 84,946,599,936/202,338
  6. Step 6: Final answer
    x = 419,825.24

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.