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Finding the Third Proportional to 197,462 and 434,276

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Solution

The third proportional to 197,462 and 434,276 is: 955,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,462 : 434,276 = 434,276 : x
  2. Step 2: Convert to fraction form
    197,462/434,276 = 434,276/x
  3. Step 3: Cross multiply
    197,462x = 434,276 × 434,276
  4. Step 4: Simplify right side
    197,462x = 188,595,644,176
  5. Step 5: Solve for x
    x = 188,595,644,176/197,462
  6. Step 6: Final answer
    x = 955,098.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.