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Finding the Third Proportional to 295.22 and 628.13

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Solution

The third proportional to 295.22 and 628.13 is: 1,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.22 : 628.13 = 628.13 : x
  2. Step 2: Convert to fraction form
    295.22/628.13 = 628.13/x
  3. Step 3: Cross multiply
    295.22x = 628.13 × 628.13
  4. Step 4: Simplify right side
    295.22x = 394,541.02
  5. Step 5: Solve for x
    x = 394,541.02/295.22
  6. Step 6: Final answer
    x = 1,336.44

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.