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Finding the Third Proportional to 6,077.50 and 8,690.75

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Solution

The third proportional to 6,077.50 and 8,690.75 is: 12,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.50 : 8,690.75 = 8,690.75 : x
  2. Step 2: Convert to fraction form
    6,077.50/8,690.75 = 8,690.75/x
  3. Step 3: Cross multiply
    6,077.50x = 8,690.75 × 8,690.75
  4. Step 4: Simplify right side
    6,077.50x = 75,529,135.56
  5. Step 5: Solve for x
    x = 75,529,135.56/6,077.50
  6. Step 6: Final answer
    x = 12,427.67

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.