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Finding the Third Proportional to 169,436.25 and 254,175.75

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Solution

The third proportional to 169,436.25 and 254,175.75 is: 381,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,436.25 : 254,175.75 = 254,175.75 : x
  2. Step 2: Convert to fraction form
    169,436.25/254,175.75 = 254,175.75/x
  3. Step 3: Cross multiply
    169,436.25x = 254,175.75 × 254,175.75
  4. Step 4: Simplify right side
    169,436.25x = 64,605,311,888.06
  5. Step 5: Solve for x
    x = 64,605,311,888.06/169,436.25
  6. Step 6: Final answer
    x = 381,295.69

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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.