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Finding the Third Proportional to 80,907.75 and 125,621.63

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Solution

The third proportional to 80,907.75 and 125,621.63 is: 195,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,907.75 : 125,621.63 = 125,621.63 : x
  2. Step 2: Convert to fraction form
    80,907.75/125,621.63 = 125,621.63/x
  3. Step 3: Cross multiply
    80,907.75x = 125,621.63 × 125,621.63
  4. Step 4: Simplify right side
    80,907.75x = 15,780,792,667.64
  5. Step 5: Solve for x
    x = 15,780,792,667.64/80,907.75
  6. Step 6: Final answer
    x = 195,046.74

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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.