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Finding the Third Proportional to 36,840.75 and 80,427.50

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Solution

The third proportional to 36,840.75 and 80,427.50 is: 175,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.75 : 80,427.50 = 80,427.50 : x
  2. Step 2: Convert to fraction form
    36,840.75/80,427.50 = 80,427.50/x
  3. Step 3: Cross multiply
    36,840.75x = 80,427.50 × 80,427.50
  4. Step 4: Simplify right side
    36,840.75x = 6,468,582,756.25
  5. Step 5: Solve for x
    x = 6,468,582,756.25/36,840.75
  6. Step 6: Final answer
    x = 175,582.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.