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Finding the Third Proportional to 330.94 and 543.84

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Solution

The third proportional to 330.94 and 543.84 is: 893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.94 : 543.84 = 543.84 : x
  2. Step 2: Convert to fraction form
    330.94/543.84 = 543.84/x
  3. Step 3: Cross multiply
    330.94x = 543.84 × 543.84
  4. Step 4: Simplify right side
    330.94x = 295,766.02
  5. Step 5: Solve for x
    x = 295,766.02/330.94
  6. Step 6: Final answer
    x = 893.72

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.