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Finding the Third Proportional to 394,630.50 and 852,315

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Solution

The third proportional to 394,630.50 and 852,315 is: 1,840,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,630.50 : 852,315 = 852,315 : x
  2. Step 2: Convert to fraction form
    394,630.50/852,315 = 852,315/x
  3. Step 3: Cross multiply
    394,630.50x = 852,315 × 852,315
  4. Step 4: Simplify right side
    394,630.50x = 726,440,859,225
  5. Step 5: Solve for x
    x = 726,440,859,225/394,630.50
  6. Step 6: Final answer
    x = 1,840,812.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.