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Finding the Third Proportional to 83,436.75 and 183,893.63

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Solution

The third proportional to 83,436.75 and 183,893.63 is: 405,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,436.75 : 183,893.63 = 183,893.63 : x
  2. Step 2: Convert to fraction form
    83,436.75/183,893.63 = 183,893.63/x
  3. Step 3: Cross multiply
    83,436.75x = 183,893.63 × 183,893.63
  4. Step 4: Simplify right side
    83,436.75x = 33,816,865,315.64
  5. Step 5: Solve for x
    x = 33,816,865,315.64/83,436.75
  6. Step 6: Final answer
    x = 405,299.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.