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Finding the Third Proportional to 3,439.13 and 5,364.56

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Solution

The third proportional to 3,439.13 and 5,364.56 is: 8,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.13 : 5,364.56 = 5,364.56 : x
  2. Step 2: Convert to fraction form
    3,439.13/5,364.56 = 5,364.56/x
  3. Step 3: Cross multiply
    3,439.13x = 5,364.56 × 5,364.56
  4. Step 4: Simplify right side
    3,439.13x = 28,778,530.82
  5. Step 5: Solve for x
    x = 28,778,530.82/3,439.13
  6. Step 6: Final answer
    x = 8,367.98

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.