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Finding the Third Proportional to 331,936 and 477,168

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Solution

The third proportional to 331,936 and 477,168 is: 685,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,936 : 477,168 = 477,168 : x
  2. Step 2: Convert to fraction form
    331,936/477,168 = 477,168/x
  3. Step 3: Cross multiply
    331,936x = 477,168 × 477,168
  4. Step 4: Simplify right side
    331,936x = 227,689,300,224
  5. Step 5: Solve for x
    x = 227,689,300,224/331,936
  6. Step 6: Final answer
    x = 685,943.38

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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.