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Finding the Third Proportional to 182,256 and 392,451

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Solution

The third proportional to 182,256 and 392,451 is: 845,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,256 : 392,451 = 392,451 : x
  2. Step 2: Convert to fraction form
    182,256/392,451 = 392,451/x
  3. Step 3: Cross multiply
    182,256x = 392,451 × 392,451
  4. Step 4: Simplify right side
    182,256x = 154,017,787,401
  5. Step 5: Solve for x
    x = 154,017,787,401/182,256
  6. Step 6: Final answer
    x = 845,062.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.