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Finding the Third Proportional to 928.34 and 2,017.09

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Solution

The third proportional to 928.34 and 2,017.09 is: 4,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    928.34 : 2,017.09 = 2,017.09 : x
  2. Step 2: Convert to fraction form
    928.34/2,017.09 = 2,017.09/x
  3. Step 3: Cross multiply
    928.34x = 2,017.09 × 2,017.09
  4. Step 4: Simplify right side
    928.34x = 4,068,651.44
  5. Step 5: Solve for x
    x = 4,068,651.44/928.34
  6. Step 6: Final answer
    x = 4,382.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.