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Finding the Third Proportional to 3,479 and 5,304.50

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Solution

The third proportional to 3,479 and 5,304.50 is: 8,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479 : 5,304.50 = 5,304.50 : x
  2. Step 2: Convert to fraction form
    3,479/5,304.50 = 5,304.50/x
  3. Step 3: Cross multiply
    3,479x = 5,304.50 × 5,304.50
  4. Step 4: Simplify right side
    3,479x = 28,137,720.25
  5. Step 5: Solve for x
    x = 28,137,720.25/3,479
  6. Step 6: Final answer
    x = 8,087.88

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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.