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Finding the Third Proportional to 64,271 and 131,674

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Solution

The third proportional to 64,271 and 131,674 is: 269,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,271 : 131,674 = 131,674 : x
  2. Step 2: Convert to fraction form
    64,271/131,674 = 131,674/x
  3. Step 3: Cross multiply
    64,271x = 131,674 × 131,674
  4. Step 4: Simplify right side
    64,271x = 17,338,042,276
  5. Step 5: Solve for x
    x = 17,338,042,276/64,271
  6. Step 6: Final answer
    x = 269,764.63

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.