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Finding the Third Proportional to 133,845 and 196,299

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Solution

The third proportional to 133,845 and 196,299 is: 287,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,845 : 196,299 = 196,299 : x
  2. Step 2: Convert to fraction form
    133,845/196,299 = 196,299/x
  3. Step 3: Cross multiply
    133,845x = 196,299 × 196,299
  4. Step 4: Simplify right side
    133,845x = 38,533,297,401
  5. Step 5: Solve for x
    x = 38,533,297,401/133,845
  6. Step 6: Final answer
    x = 287,894.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.