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Finding the Third Proportional to 143,661.94 and 211,323.94

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Solution

The third proportional to 143,661.94 and 211,323.94 is: 310,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,661.94 : 211,323.94 = 211,323.94 : x
  2. Step 2: Convert to fraction form
    143,661.94/211,323.94 = 211,323.94/x
  3. Step 3: Cross multiply
    143,661.94x = 211,323.94 × 211,323.94
  4. Step 4: Simplify right side
    143,661.94x = 44,657,806,560.50
  5. Step 5: Solve for x
    x = 44,657,806,560.50/143,661.94
  6. Step 6: Final answer
    x = 310,853.43

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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.