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Finding the Third Proportional to 282.94 and 623.25

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Solution

The third proportional to 282.94 and 623.25 is: 1,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.94 : 623.25 = 623.25 : x
  2. Step 2: Convert to fraction form
    282.94/623.25 = 623.25/x
  3. Step 3: Cross multiply
    282.94x = 623.25 × 623.25
  4. Step 4: Simplify right side
    282.94x = 388,440.56
  5. Step 5: Solve for x
    x = 388,440.56/282.94
  6. Step 6: Final answer
    x = 1,372.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.