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Finding the Third Proportional to 295.21 and 635.03

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Solution

The third proportional to 295.21 and 635.03 is: 1,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.21 : 635.03 = 635.03 : x
  2. Step 2: Convert to fraction form
    295.21/635.03 = 635.03/x
  3. Step 3: Cross multiply
    295.21x = 635.03 × 635.03
  4. Step 4: Simplify right side
    295.21x = 403,259.73
  5. Step 5: Solve for x
    x = 403,259.73/295.21
  6. Step 6: Final answer
    x = 1,366.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.