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Finding the Third Proportional to 48,855.50 and 73,405

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Solution

The third proportional to 48,855.50 and 73,405 is: 110,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,855.50 : 73,405 = 73,405 : x
  2. Step 2: Convert to fraction form
    48,855.50/73,405 = 73,405/x
  3. Step 3: Cross multiply
    48,855.50x = 73,405 × 73,405
  4. Step 4: Simplify right side
    48,855.50x = 5,388,294,025
  5. Step 5: Solve for x
    x = 5,388,294,025/48,855.50
  6. Step 6: Final answer
    x = 110,290.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.