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Finding the Third Proportional to 246,502 and 530,990

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Solution

The third proportional to 246,502 and 530,990 is: 1,143,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,502 : 530,990 = 530,990 : x
  2. Step 2: Convert to fraction form
    246,502/530,990 = 530,990/x
  3. Step 3: Cross multiply
    246,502x = 530,990 × 530,990
  4. Step 4: Simplify right side
    246,502x = 281,950,380,100
  5. Step 5: Solve for x
    x = 281,950,380,100/246,502
  6. Step 6: Final answer
    x = 1,143,805.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.