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Finding the Third Proportional to 100,431.75 and 151,674.75

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Solution

The third proportional to 100,431.75 and 151,674.75 is: 229,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,431.75 : 151,674.75 = 151,674.75 : x
  2. Step 2: Convert to fraction form
    100,431.75/151,674.75 = 151,674.75/x
  3. Step 3: Cross multiply
    100,431.75x = 151,674.75 × 151,674.75
  4. Step 4: Simplify right side
    100,431.75x = 23,005,229,787.56
  5. Step 5: Solve for x
    x = 23,005,229,787.56/100,431.75
  6. Step 6: Final answer
    x = 229,063.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.