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Finding the Third Proportional to 168,531 and 370,956

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Solution

The third proportional to 168,531 and 370,956 is: 816,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,531 : 370,956 = 370,956 : x
  2. Step 2: Convert to fraction form
    168,531/370,956 = 370,956/x
  3. Step 3: Cross multiply
    168,531x = 370,956 × 370,956
  4. Step 4: Simplify right side
    168,531x = 137,608,353,936
  5. Step 5: Solve for x
    x = 137,608,353,936/168,531
  6. Step 6: Final answer
    x = 816,516.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.