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Finding the Third Proportional to 5,387.06 and 8,087.06

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Solution

The third proportional to 5,387.06 and 8,087.06 is: 12,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.06 : 8,087.06 = 8,087.06 : x
  2. Step 2: Convert to fraction form
    5,387.06/8,087.06 = 8,087.06/x
  3. Step 3: Cross multiply
    5,387.06x = 8,087.06 × 8,087.06
  4. Step 4: Simplify right side
    5,387.06x = 65,400,579.88
  5. Step 5: Solve for x
    x = 65,400,579.88/5,387.06
  6. Step 6: Final answer
    x = 12,140.30

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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.