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Finding the Third Proportional to 282.94 and 655.22

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Solution

The third proportional to 282.94 and 655.22 is: 1,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.94 : 655.22 = 655.22 : x
  2. Step 2: Convert to fraction form
    282.94/655.22 = 655.22/x
  3. Step 3: Cross multiply
    282.94x = 655.22 × 655.22
  4. Step 4: Simplify right side
    282.94x = 429,311.61
  5. Step 5: Solve for x
    x = 429,311.61/282.94
  6. Step 6: Final answer
    x = 1,517.34

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.