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Finding the Third Proportional to 351.94 and 534.84

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Solution

The third proportional to 351.94 and 534.84 is: 812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.94 : 534.84 = 534.84 : x
  2. Step 2: Convert to fraction form
    351.94/534.84 = 534.84/x
  3. Step 3: Cross multiply
    351.94x = 534.84 × 534.84
  4. Step 4: Simplify right side
    351.94x = 286,057.84
  5. Step 5: Solve for x
    x = 286,057.84/351.94
  6. Step 6: Final answer
    x = 812.81

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.