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Finding the Third Proportional to 293,763 and 396,355

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Solution

The third proportional to 293,763 and 396,355 is: 534,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,763 : 396,355 = 396,355 : x
  2. Step 2: Convert to fraction form
    293,763/396,355 = 396,355/x
  3. Step 3: Cross multiply
    293,763x = 396,355 × 396,355
  4. Step 4: Simplify right side
    293,763x = 157,097,286,025
  5. Step 5: Solve for x
    x = 157,097,286,025/293,763
  6. Step 6: Final answer
    x = 534,775.60

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.