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Finding the Third Proportional to 201,764 and 282,766

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Solution

The third proportional to 201,764 and 282,766 is: 396,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,764 : 282,766 = 282,766 : x
  2. Step 2: Convert to fraction form
    201,764/282,766 = 282,766/x
  3. Step 3: Cross multiply
    201,764x = 282,766 × 282,766
  4. Step 4: Simplify right side
    201,764x = 79,956,610,756
  5. Step 5: Solve for x
    x = 79,956,610,756/201,764
  6. Step 6: Final answer
    x = 396,287.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.