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Finding the Third Proportional to 201,954 and 316,833

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Solution

The third proportional to 201,954 and 316,833 is: 497,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,954 : 316,833 = 316,833 : x
  2. Step 2: Convert to fraction form
    201,954/316,833 = 316,833/x
  3. Step 3: Cross multiply
    201,954x = 316,833 × 316,833
  4. Step 4: Simplify right side
    201,954x = 100,383,149,889
  5. Step 5: Solve for x
    x = 100,383,149,889/201,954
  6. Step 6: Final answer
    x = 497,059.48

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.