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Finding the Third Proportional to 3,056.25 and 4,440.21

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Solution

The third proportional to 3,056.25 and 4,440.21 is: 6,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.25 : 4,440.21 = 4,440.21 : x
  2. Step 2: Convert to fraction form
    3,056.25/4,440.21 = 4,440.21/x
  3. Step 3: Cross multiply
    3,056.25x = 4,440.21 × 4,440.21
  4. Step 4: Simplify right side
    3,056.25x = 19,715,447.15
  5. Step 5: Solve for x
    x = 19,715,447.15/3,056.25
  6. Step 6: Final answer
    x = 6,450.87

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.