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Finding the Third Proportional to 115,785 and 173,954.25

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Solution

The third proportional to 115,785 and 173,954.25 is: 261,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,785 : 173,954.25 = 173,954.25 : x
  2. Step 2: Convert to fraction form
    115,785/173,954.25 = 173,954.25/x
  3. Step 3: Cross multiply
    115,785x = 173,954.25 × 173,954.25
  4. Step 4: Simplify right side
    115,785x = 30,260,081,093.06
  5. Step 5: Solve for x
    x = 30,260,081,093.06/115,785
  6. Step 6: Final answer
    x = 261,347.16

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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.