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Finding the Third Proportional to 8,671.50 and 18,995

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Solution

The third proportional to 8,671.50 and 18,995 is: 41,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.50 : 18,995 = 18,995 : x
  2. Step 2: Convert to fraction form
    8,671.50/18,995 = 18,995/x
  3. Step 3: Cross multiply
    8,671.50x = 18,995 × 18,995
  4. Step 4: Simplify right side
    8,671.50x = 360,810,025
  5. Step 5: Solve for x
    x = 360,810,025/8,671.50
  6. Step 6: Final answer
    x = 41,608.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.