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Finding the Third Proportional to 197,712 and 434,736

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Solution

The third proportional to 197,712 and 434,736 is: 955,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,712 : 434,736 = 434,736 : x
  2. Step 2: Convert to fraction form
    197,712/434,736 = 434,736/x
  3. Step 3: Cross multiply
    197,712x = 434,736 × 434,736
  4. Step 4: Simplify right side
    197,712x = 188,995,389,696
  5. Step 5: Solve for x
    x = 188,995,389,696/197,712
  6. Step 6: Final answer
    x = 955,912.59

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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.