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Finding the Third Proportional to 80,222.63 and 124,721.44

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Solution

The third proportional to 80,222.63 and 124,721.44 is: 193,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,222.63 : 124,721.44 = 124,721.44 : x
  2. Step 2: Convert to fraction form
    80,222.63/124,721.44 = 124,721.44/x
  3. Step 3: Cross multiply
    80,222.63x = 124,721.44 × 124,721.44
  4. Step 4: Simplify right side
    80,222.63x = 15,555,436,972.07
  5. Step 5: Solve for x
    x = 15,555,436,972.07/80,222.63
  6. Step 6: Final answer
    x = 193,903.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.