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Finding the Third Proportional to 197,556 and 306,366

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Solution

The third proportional to 197,556 and 306,366 is: 475,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,556 : 306,366 = 306,366 : x
  2. Step 2: Convert to fraction form
    197,556/306,366 = 306,366/x
  3. Step 3: Cross multiply
    197,556x = 306,366 × 306,366
  4. Step 4: Simplify right side
    197,556x = 93,860,125,956
  5. Step 5: Solve for x
    x = 93,860,125,956/197,556
  6. Step 6: Final answer
    x = 475,106.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.