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Finding the Third Proportional to 6,744.75 and 7,450.50

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Solution

The third proportional to 6,744.75 and 7,450.50 is: 8,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.75 : 7,450.50 = 7,450.50 : x
  2. Step 2: Convert to fraction form
    6,744.75/7,450.50 = 7,450.50/x
  3. Step 3: Cross multiply
    6,744.75x = 7,450.50 × 7,450.50
  4. Step 4: Simplify right side
    6,744.75x = 55,509,950.25
  5. Step 5: Solve for x
    x = 55,509,950.25/6,744.75
  6. Step 6: Final answer
    x = 8,230.10

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.