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Finding the Third Proportional to 149,676.75 and 220,137.75

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Solution

The third proportional to 149,676.75 and 220,137.75 is: 323,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,676.75 : 220,137.75 = 220,137.75 : x
  2. Step 2: Convert to fraction form
    149,676.75/220,137.75 = 220,137.75/x
  3. Step 3: Cross multiply
    149,676.75x = 220,137.75 × 220,137.75
  4. Step 4: Simplify right side
    149,676.75x = 48,460,628,975.06
  5. Step 5: Solve for x
    x = 48,460,628,975.06/149,676.75
  6. Step 6: Final answer
    x = 323,768.58

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.