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Finding the Third Proportional to 131,218.50 and 196,794

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Solution

The third proportional to 131,218.50 and 196,794 is: 295,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,218.50 : 196,794 = 196,794 : x
  2. Step 2: Convert to fraction form
    131,218.50/196,794 = 196,794/x
  3. Step 3: Cross multiply
    131,218.50x = 196,794 × 196,794
  4. Step 4: Simplify right side
    131,218.50x = 38,727,878,436
  5. Step 5: Solve for x
    x = 38,727,878,436/131,218.50
  6. Step 6: Final answer
    x = 295,140.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.