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Finding the Third Proportional to 84,667.50 and 183,912.75

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Solution

The third proportional to 84,667.50 and 183,912.75 is: 399,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,667.50 : 183,912.75 = 183,912.75 : x
  2. Step 2: Convert to fraction form
    84,667.50/183,912.75 = 183,912.75/x
  3. Step 3: Cross multiply
    84,667.50x = 183,912.75 × 183,912.75
  4. Step 4: Simplify right side
    84,667.50x = 33,823,899,612.56
  5. Step 5: Solve for x
    x = 33,823,899,612.56/84,667.50
  6. Step 6: Final answer
    x = 399,490.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.