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Finding the Third Proportional to 579.19 and 1,241.06

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Solution

The third proportional to 579.19 and 1,241.06 is: 2,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.19 : 1,241.06 = 1,241.06 : x
  2. Step 2: Convert to fraction form
    579.19/1,241.06 = 1,241.06/x
  3. Step 3: Cross multiply
    579.19x = 1,241.06 × 1,241.06
  4. Step 4: Simplify right side
    579.19x = 1,540,236.13
  5. Step 5: Solve for x
    x = 1,540,236.13/579.19
  6. Step 6: Final answer
    x = 2,659.30

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.