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Finding the Third Proportional to 38,245.50 and 53,763

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Solution

The third proportional to 38,245.50 and 53,763 is: 75,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.50 : 53,763 = 53,763 : x
  2. Step 2: Convert to fraction form
    38,245.50/53,763 = 53,763/x
  3. Step 3: Cross multiply
    38,245.50x = 53,763 × 53,763
  4. Step 4: Simplify right side
    38,245.50x = 2,890,460,169
  5. Step 5: Solve for x
    x = 2,890,460,169/38,245.50
  6. Step 6: Final answer
    x = 75,576.48

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.