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Finding the Third Proportional to 1,817.86 and 2,724.26

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Solution

The third proportional to 1,817.86 and 2,724.26 is: 4,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.86 : 2,724.26 = 2,724.26 : x
  2. Step 2: Convert to fraction form
    1,817.86/2,724.26 = 2,724.26/x
  3. Step 3: Cross multiply
    1,817.86x = 2,724.26 × 2,724.26
  4. Step 4: Simplify right side
    1,817.86x = 7,421,580.63
  5. Step 5: Solve for x
    x = 7,421,580.63/1,817.86
  6. Step 6: Final answer
    x = 4,082.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.