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Finding the Third Proportional to 2,727.84 and 4,173.19

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Solution

The third proportional to 2,727.84 and 4,173.19 is: 6,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.84 : 4,173.19 = 4,173.19 : x
  2. Step 2: Convert to fraction form
    2,727.84/4,173.19 = 4,173.19/x
  3. Step 3: Cross multiply
    2,727.84x = 4,173.19 × 4,173.19
  4. Step 4: Simplify right side
    2,727.84x = 17,415,493.91
  5. Step 5: Solve for x
    x = 17,415,493.91/2,727.84
  6. Step 6: Final answer
    x = 6,384.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.