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Finding the Third Proportional to 683.06 and 1,655.44

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Solution

The third proportional to 683.06 and 1,655.44 is: 4,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.06 : 1,655.44 = 1,655.44 : x
  2. Step 2: Convert to fraction form
    683.06/1,655.44 = 1,655.44/x
  3. Step 3: Cross multiply
    683.06x = 1,655.44 × 1,655.44
  4. Step 4: Simplify right side
    683.06x = 2,740,473.32
  5. Step 5: Solve for x
    x = 2,740,473.32/683.06
  6. Step 6: Final answer
    x = 4,012.04

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.