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Finding the Third Proportional to 159,961 and 343,196

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Solution

The third proportional to 159,961 and 343,196 is: 736,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,961 : 343,196 = 343,196 : x
  2. Step 2: Convert to fraction form
    159,961/343,196 = 343,196/x
  3. Step 3: Cross multiply
    159,961x = 343,196 × 343,196
  4. Step 4: Simplify right side
    159,961x = 117,783,494,416
  5. Step 5: Solve for x
    x = 117,783,494,416/159,961
  6. Step 6: Final answer
    x = 736,326.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.