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Finding the Third Proportional to 159,745.50 and 248,285.25

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Solution

The third proportional to 159,745.50 and 248,285.25 is: 385,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,745.50 : 248,285.25 = 248,285.25 : x
  2. Step 2: Convert to fraction form
    159,745.50/248,285.25 = 248,285.25/x
  3. Step 3: Cross multiply
    159,745.50x = 248,285.25 × 248,285.25
  4. Step 4: Simplify right side
    159,745.50x = 61,645,565,367.56
  5. Step 5: Solve for x
    x = 61,645,565,367.56/159,745.50
  6. Step 6: Final answer
    x = 385,898.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.