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Finding the Third Proportional to 373.42 and 818.92

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Solution

The third proportional to 373.42 and 818.92 is: 1,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.42 : 818.92 = 818.92 : x
  2. Step 2: Convert to fraction form
    373.42/818.92 = 818.92/x
  3. Step 3: Cross multiply
    373.42x = 818.92 × 818.92
  4. Step 4: Simplify right side
    373.42x = 670,635.94
  5. Step 5: Solve for x
    x = 670,635.94/373.42
  6. Step 6: Final answer
    x = 1,795.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.