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Finding the Third Proportional to 44,172 and 86,103

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Solution

The third proportional to 44,172 and 86,103 is: 167,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,172 : 86,103 = 86,103 : x
  2. Step 2: Convert to fraction form
    44,172/86,103 = 86,103/x
  3. Step 3: Cross multiply
    44,172x = 86,103 × 86,103
  4. Step 4: Simplify right side
    44,172x = 7,413,726,609
  5. Step 5: Solve for x
    x = 7,413,726,609/44,172
  6. Step 6: Final answer
    x = 167,837.69

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.