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Finding the Third Proportional to 1,680.75 and 3,680.44

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Solution

The third proportional to 1,680.75 and 3,680.44 is: 8,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.75 : 3,680.44 = 3,680.44 : x
  2. Step 2: Convert to fraction form
    1,680.75/3,680.44 = 3,680.44/x
  3. Step 3: Cross multiply
    1,680.75x = 3,680.44 × 3,680.44
  4. Step 4: Simplify right side
    1,680.75x = 13,545,620.19
  5. Step 5: Solve for x
    x = 13,545,620.19/1,680.75
  6. Step 6: Final answer
    x = 8,059.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.