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Finding the Third Proportional to 294.73 and 581.63

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Solution

The third proportional to 294.73 and 581.63 is: 1,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.73 : 581.63 = 581.63 : x
  2. Step 2: Convert to fraction form
    294.73/581.63 = 581.63/x
  3. Step 3: Cross multiply
    294.73x = 581.63 × 581.63
  4. Step 4: Simplify right side
    294.73x = 338,297.86
  5. Step 5: Solve for x
    x = 338,297.86/294.73
  6. Step 6: Final answer
    x = 1,147.81

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.