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Finding the Third Proportional to 293.75 and 448.38

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Solution

The third proportional to 293.75 and 448.38 is: 684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.75 : 448.38 = 448.38 : x
  2. Step 2: Convert to fraction form
    293.75/448.38 = 448.38/x
  3. Step 3: Cross multiply
    293.75x = 448.38 × 448.38
  4. Step 4: Simplify right side
    293.75x = 201,040.14
  5. Step 5: Solve for x
    x = 201,040.14/293.75
  6. Step 6: Final answer
    x = 684.39

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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.