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Finding the Third Proportional to 220,378 and 452,372

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Solution

The third proportional to 220,378 and 452,372 is: 928,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,378 : 452,372 = 452,372 : x
  2. Step 2: Convert to fraction form
    220,378/452,372 = 452,372/x
  3. Step 3: Cross multiply
    220,378x = 452,372 × 452,372
  4. Step 4: Simplify right side
    220,378x = 204,640,426,384
  5. Step 5: Solve for x
    x = 204,640,426,384/220,378
  6. Step 6: Final answer
    x = 928,588.27

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.