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Finding the Third Proportional to 372,621.75 and 808,256

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Solution

The third proportional to 372,621.75 and 808,256 is: 1,753,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,621.75 : 808,256 = 808,256 : x
  2. Step 2: Convert to fraction form
    372,621.75/808,256 = 808,256/x
  3. Step 3: Cross multiply
    372,621.75x = 808,256 × 808,256
  4. Step 4: Simplify right side
    372,621.75x = 653,277,761,536
  5. Step 5: Solve for x
    x = 653,277,761,536/372,621.75
  6. Step 6: Final answer
    x = 1,753,192.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.