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Finding the Third Proportional to 207,326 and 427,736

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Solution

The third proportional to 207,326 and 427,736 is: 882,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,326 : 427,736 = 427,736 : x
  2. Step 2: Convert to fraction form
    207,326/427,736 = 427,736/x
  3. Step 3: Cross multiply
    207,326x = 427,736 × 427,736
  4. Step 4: Simplify right side
    207,326x = 182,958,085,696
  5. Step 5: Solve for x
    x = 182,958,085,696/207,326
  6. Step 6: Final answer
    x = 882,465.71

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.