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Finding the Third Proportional to 265,706 and 394,795

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Solution

The third proportional to 265,706 and 394,795 is: 586,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,706 : 394,795 = 394,795 : x
  2. Step 2: Convert to fraction form
    265,706/394,795 = 394,795/x
  3. Step 3: Cross multiply
    265,706x = 394,795 × 394,795
  4. Step 4: Simplify right side
    265,706x = 155,863,092,025
  5. Step 5: Solve for x
    x = 155,863,092,025/265,706
  6. Step 6: Final answer
    x = 586,599.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.