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Finding the Third Proportional to 135,912 and 195,768

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Solution

The third proportional to 135,912 and 195,768 is: 281,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,912 : 195,768 = 195,768 : x
  2. Step 2: Convert to fraction form
    135,912/195,768 = 195,768/x
  3. Step 3: Cross multiply
    135,912x = 195,768 × 195,768
  4. Step 4: Simplify right side
    135,912x = 38,325,109,824
  5. Step 5: Solve for x
    x = 38,325,109,824/135,912
  6. Step 6: Final answer
    x = 281,984.74

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.