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Finding the Third Proportional to 205,326 and 445,724

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Solution

The third proportional to 205,326 and 445,724 is: 967,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,326 : 445,724 = 445,724 : x
  2. Step 2: Convert to fraction form
    205,326/445,724 = 445,724/x
  3. Step 3: Cross multiply
    205,326x = 445,724 × 445,724
  4. Step 4: Simplify right side
    205,326x = 198,669,884,176
  5. Step 5: Solve for x
    x = 198,669,884,176/205,326
  6. Step 6: Final answer
    x = 967,582.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.