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Finding the Third Proportional to 355.44 and 564.38

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Solution

The third proportional to 355.44 and 564.38 is: 896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.44 : 564.38 = 564.38 : x
  2. Step 2: Convert to fraction form
    355.44/564.38 = 564.38/x
  3. Step 3: Cross multiply
    355.44x = 564.38 × 564.38
  4. Step 4: Simplify right side
    355.44x = 318,519.14
  5. Step 5: Solve for x
    x = 318,519.14/355.44
  6. Step 6: Final answer
    x = 896.13

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.