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Finding the Third Proportional to 6,172.88 and 8,240.06

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Solution

The third proportional to 6,172.88 and 8,240.06 is: 10,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.88 : 8,240.06 = 8,240.06 : x
  2. Step 2: Convert to fraction form
    6,172.88/8,240.06 = 8,240.06/x
  3. Step 3: Cross multiply
    6,172.88x = 8,240.06 × 8,240.06
  4. Step 4: Simplify right side
    6,172.88x = 67,898,630.00
  5. Step 5: Solve for x
    x = 67,898,630.00/6,172.88
  6. Step 6: Final answer
    x = 10,999.51

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.