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Finding the Third Proportional to 205,183.50 and 426,670.50

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Solution

The third proportional to 205,183.50 and 426,670.50 is: 887,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,183.50 : 426,670.50 = 426,670.50 : x
  2. Step 2: Convert to fraction form
    205,183.50/426,670.50 = 426,670.50/x
  3. Step 3: Cross multiply
    205,183.50x = 426,670.50 × 426,670.50
  4. Step 4: Simplify right side
    205,183.50x = 182,047,715,570.25
  5. Step 5: Solve for x
    x = 182,047,715,570.25/205,183.50
  6. Step 6: Final answer
    x = 887,243.45

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.