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Finding the Third Proportional to 374.63 and 818.44

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Solution

The third proportional to 374.63 and 818.44 is: 1,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.63 : 818.44 = 818.44 : x
  2. Step 2: Convert to fraction form
    374.63/818.44 = 818.44/x
  3. Step 3: Cross multiply
    374.63x = 818.44 × 818.44
  4. Step 4: Simplify right side
    374.63x = 669,839.94
  5. Step 5: Solve for x
    x = 669,839.94/374.63
  6. Step 6: Final answer
    x = 1,788.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.