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Finding the Third Proportional to 28,172 and 62,167

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Solution

The third proportional to 28,172 and 62,167 is: 137,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,172 : 62,167 = 62,167 : x
  2. Step 2: Convert to fraction form
    28,172/62,167 = 62,167/x
  3. Step 3: Cross multiply
    28,172x = 62,167 × 62,167
  4. Step 4: Simplify right side
    28,172x = 3,864,735,889
  5. Step 5: Solve for x
    x = 3,864,735,889/28,172
  6. Step 6: Final answer
    x = 137,183.58

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.