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Finding the Third Proportional to 85,576.50 and 188,649

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Solution

The third proportional to 85,576.50 and 188,649 is: 415,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,576.50 : 188,649 = 188,649 : x
  2. Step 2: Convert to fraction form
    85,576.50/188,649 = 188,649/x
  3. Step 3: Cross multiply
    85,576.50x = 188,649 × 188,649
  4. Step 4: Simplify right side
    85,576.50x = 35,588,445,201
  5. Step 5: Solve for x
    x = 35,588,445,201/85,576.50
  6. Step 6: Final answer
    x = 415,867.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.