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Finding the Third Proportional to 179,676 and 299,434

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Solution

The third proportional to 179,676 and 299,434 is: 499,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,676 : 299,434 = 299,434 : x
  2. Step 2: Convert to fraction form
    179,676/299,434 = 299,434/x
  3. Step 3: Cross multiply
    179,676x = 299,434 × 299,434
  4. Step 4: Simplify right side
    179,676x = 89,660,720,356
  5. Step 5: Solve for x
    x = 89,660,720,356/179,676
  6. Step 6: Final answer
    x = 499,013.34

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.