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Finding the Third Proportional to 192,676 and 306,851

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Solution

The third proportional to 192,676 and 306,851 is: 488,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,676 : 306,851 = 306,851 : x
  2. Step 2: Convert to fraction form
    192,676/306,851 = 306,851/x
  3. Step 3: Cross multiply
    192,676x = 306,851 × 306,851
  4. Step 4: Simplify right side
    192,676x = 94,157,536,201
  5. Step 5: Solve for x
    x = 94,157,536,201/192,676
  6. Step 6: Final answer
    x = 488,683.26

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.