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Finding the Third Proportional to 8,360.72 and 12,541.08

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Solution

The third proportional to 8,360.72 and 12,541.08 is: 18,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.72 : 12,541.08 = 12,541.08 : x
  2. Step 2: Convert to fraction form
    8,360.72/12,541.08 = 12,541.08/x
  3. Step 3: Cross multiply
    8,360.72x = 12,541.08 × 12,541.08
  4. Step 4: Simplify right side
    8,360.72x = 157,278,640.54
  5. Step 5: Solve for x
    x = 157,278,640.54/8,360.72
  6. Step 6: Final answer
    x = 18,811.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.