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Finding the Third Proportional to 295.25 and 451.75

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Solution

The third proportional to 295.25 and 451.75 is: 691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.25 : 451.75 = 451.75 : x
  2. Step 2: Convert to fraction form
    295.25/451.75 = 451.75/x
  3. Step 3: Cross multiply
    295.25x = 451.75 × 451.75
  4. Step 4: Simplify right side
    295.25x = 204,078.06
  5. Step 5: Solve for x
    x = 204,078.06/295.25
  6. Step 6: Final answer
    x = 691.20

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.