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Finding the Third Proportional to 197,496 and 434,520

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Solution

The third proportional to 197,496 and 434,520 is: 956,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,496 : 434,520 = 434,520 : x
  2. Step 2: Convert to fraction form
    197,496/434,520 = 434,520/x
  3. Step 3: Cross multiply
    197,496x = 434,520 × 434,520
  4. Step 4: Simplify right side
    197,496x = 188,807,630,400
  5. Step 5: Solve for x
    x = 188,807,630,400/197,496
  6. Step 6: Final answer
    x = 956,007.36

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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.