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Finding the Third Proportional to 8,515.50 and 14,072.25

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Solution

The third proportional to 8,515.50 and 14,072.25 is: 23,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.50 : 14,072.25 = 14,072.25 : x
  2. Step 2: Convert to fraction form
    8,515.50/14,072.25 = 14,072.25/x
  3. Step 3: Cross multiply
    8,515.50x = 14,072.25 × 14,072.25
  4. Step 4: Simplify right side
    8,515.50x = 198,028,220.06
  5. Step 5: Solve for x
    x = 198,028,220.06/8,515.50
  6. Step 6: Final answer
    x = 23,255.03

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.