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Finding the Third Proportional to 28,131.19 and 39,563.44

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Solution

The third proportional to 28,131.19 and 39,563.44 is: 55,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,131.19 : 39,563.44 = 39,563.44 : x
  2. Step 2: Convert to fraction form
    28,131.19/39,563.44 = 39,563.44/x
  3. Step 3: Cross multiply
    28,131.19x = 39,563.44 × 39,563.44
  4. Step 4: Simplify right side
    28,131.19x = 1,565,265,586.82
  5. Step 5: Solve for x
    x = 1,565,265,586.82/28,131.19
  6. Step 6: Final answer
    x = 55,641.65

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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.