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Finding the Third Proportional to 246.50 and 445.50

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Solution

The third proportional to 246.50 and 445.50 is: 805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.50 : 445.50 = 445.50 : x
  2. Step 2: Convert to fraction form
    246.50/445.50 = 445.50/x
  3. Step 3: Cross multiply
    246.50x = 445.50 × 445.50
  4. Step 4: Simplify right side
    246.50x = 198,470.25
  5. Step 5: Solve for x
    x = 198,470.25/246.50
  6. Step 6: Final answer
    x = 805.15

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.