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Finding the Third Proportional to 442,279.50 and 662,724.75

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Solution

The third proportional to 442,279.50 and 662,724.75 is: 993,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,279.50 : 662,724.75 = 662,724.75 : x
  2. Step 2: Convert to fraction form
    442,279.50/662,724.75 = 662,724.75/x
  3. Step 3: Cross multiply
    442,279.50x = 662,724.75 × 662,724.75
  4. Step 4: Simplify right side
    442,279.50x = 439,204,094,262.56
  5. Step 5: Solve for x
    x = 439,204,094,262.56/442,279.50
  6. Step 6: Final answer
    x = 993,046.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.