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Finding the Third Proportional to 199,717 and 434,702

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Solution

The third proportional to 199,717 and 434,702 is: 946,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,717 : 434,702 = 434,702 : x
  2. Step 2: Convert to fraction form
    199,717/434,702 = 434,702/x
  3. Step 3: Cross multiply
    199,717x = 434,702 × 434,702
  4. Step 4: Simplify right side
    199,717x = 188,965,828,804
  5. Step 5: Solve for x
    x = 188,965,828,804/199,717
  6. Step 6: Final answer
    x = 946,167.97

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.