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Finding the Third Proportional to 115,726 and 173,916

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Solution

The third proportional to 115,726 and 173,916 is: 261,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,726 : 173,916 = 173,916 : x
  2. Step 2: Convert to fraction form
    115,726/173,916 = 173,916/x
  3. Step 3: Cross multiply
    115,726x = 173,916 × 173,916
  4. Step 4: Simplify right side
    115,726x = 30,246,775,056
  5. Step 5: Solve for x
    x = 30,246,775,056/115,726
  6. Step 6: Final answer
    x = 261,365.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.