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Finding the Third Proportional to 351.94 and 546.28

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Solution

The third proportional to 351.94 and 546.28 is: 847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.94 : 546.28 = 546.28 : x
  2. Step 2: Convert to fraction form
    351.94/546.28 = 546.28/x
  3. Step 3: Cross multiply
    351.94x = 546.28 × 546.28
  4. Step 4: Simplify right side
    351.94x = 298,423.20
  5. Step 5: Solve for x
    x = 298,423.20/351.94
  6. Step 6: Final answer
    x = 847.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.