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Finding the Third Proportional to 143,583.75 and 211,227.75

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Solution

The third proportional to 143,583.75 and 211,227.75 is: 310,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,583.75 : 211,227.75 = 211,227.75 : x
  2. Step 2: Convert to fraction form
    143,583.75/211,227.75 = 211,227.75/x
  3. Step 3: Cross multiply
    143,583.75x = 211,227.75 × 211,227.75
  4. Step 4: Simplify right side
    143,583.75x = 44,617,162,370.06
  5. Step 5: Solve for x
    x = 44,617,162,370.06/143,583.75
  6. Step 6: Final answer
    x = 310,739.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.