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Finding the Third Proportional to 133,170 and 201,180

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Solution

The third proportional to 133,170 and 201,180 is: 303,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,170 : 201,180 = 201,180 : x
  2. Step 2: Convert to fraction form
    133,170/201,180 = 201,180/x
  3. Step 3: Cross multiply
    133,170x = 201,180 × 201,180
  4. Step 4: Simplify right side
    133,170x = 40,473,392,400
  5. Step 5: Solve for x
    x = 40,473,392,400/133,170
  6. Step 6: Final answer
    x = 303,922.75

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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.