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Finding the Third Proportional to 206,502 and 303,705

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Solution

The third proportional to 206,502 and 303,705 is: 446,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,502 : 303,705 = 303,705 : x
  2. Step 2: Convert to fraction form
    206,502/303,705 = 303,705/x
  3. Step 3: Cross multiply
    206,502x = 303,705 × 303,705
  4. Step 4: Simplify right side
    206,502x = 92,236,727,025
  5. Step 5: Solve for x
    x = 92,236,727,025/206,502
  6. Step 6: Final answer
    x = 446,662.63

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.