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Finding the Third Proportional to 201,084 and 313,494

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Solution

The third proportional to 201,084 and 313,494 is: 488,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,084 : 313,494 = 313,494 : x
  2. Step 2: Convert to fraction form
    201,084/313,494 = 313,494/x
  3. Step 3: Cross multiply
    201,084x = 313,494 × 313,494
  4. Step 4: Simplify right side
    201,084x = 98,278,488,036
  5. Step 5: Solve for x
    x = 98,278,488,036/201,084
  6. Step 6: Final answer
    x = 488,743.45

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.