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Finding the Third Proportional to 45,408.94 and 123,531.75

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Solution

The third proportional to 45,408.94 and 123,531.75 is: 336,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.94 : 123,531.75 = 123,531.75 : x
  2. Step 2: Convert to fraction form
    45,408.94/123,531.75 = 123,531.75/x
  3. Step 3: Cross multiply
    45,408.94x = 123,531.75 × 123,531.75
  4. Step 4: Simplify right side
    45,408.94x = 15,260,093,258.06
  5. Step 5: Solve for x
    x = 15,260,093,258.06/45,408.94
  6. Step 6: Final answer
    x = 336,059.25

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.