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Finding the Third Proportional to 170,111 and 366,223

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Solution

The third proportional to 170,111 and 366,223 is: 788,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,111 : 366,223 = 366,223 : x
  2. Step 2: Convert to fraction form
    170,111/366,223 = 366,223/x
  3. Step 3: Cross multiply
    170,111x = 366,223 × 366,223
  4. Step 4: Simplify right side
    170,111x = 134,119,285,729
  5. Step 5: Solve for x
    x = 134,119,285,729/170,111
  6. Step 6: Final answer
    x = 788,422.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.