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Finding the Third Proportional to 395.44 and 524.81

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Solution

The third proportional to 395.44 and 524.81 is: 696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.44 : 524.81 = 524.81 : x
  2. Step 2: Convert to fraction form
    395.44/524.81 = 524.81/x
  3. Step 3: Cross multiply
    395.44x = 524.81 × 524.81
  4. Step 4: Simplify right side
    395.44x = 275,428.16
  5. Step 5: Solve for x
    x = 275,428.16/395.44
  6. Step 6: Final answer
    x = 696.52

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.