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Finding the Third Proportional to 342,512 and 454,472

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Solution

The third proportional to 342,512 and 454,472 is: 603,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,512 : 454,472 = 454,472 : x
  2. Step 2: Convert to fraction form
    342,512/454,472 = 454,472/x
  3. Step 3: Cross multiply
    342,512x = 454,472 × 454,472
  4. Step 4: Simplify right side
    342,512x = 206,544,798,784
  5. Step 5: Solve for x
    x = 206,544,798,784/342,512
  6. Step 6: Final answer
    x = 603,029.38

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.