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Finding the Third Proportional to 363.23 and 784.55

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Solution

The third proportional to 363.23 and 784.55 is: 1,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.23 : 784.55 = 784.55 : x
  2. Step 2: Convert to fraction form
    363.23/784.55 = 784.55/x
  3. Step 3: Cross multiply
    363.23x = 784.55 × 784.55
  4. Step 4: Simplify right side
    363.23x = 615,513.80
  5. Step 5: Solve for x
    x = 615,513.80/363.23
  6. Step 6: Final answer
    x = 1,694.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.