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Finding the Third Proportional to 3,405 and 4,541.50

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Solution

The third proportional to 3,405 and 4,541.50 is: 6,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405 : 4,541.50 = 4,541.50 : x
  2. Step 2: Convert to fraction form
    3,405/4,541.50 = 4,541.50/x
  3. Step 3: Cross multiply
    3,405x = 4,541.50 × 4,541.50
  4. Step 4: Simplify right side
    3,405x = 20,625,222.25
  5. Step 5: Solve for x
    x = 20,625,222.25/3,405
  6. Step 6: Final answer
    x = 6,057.33

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.