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Finding the Third Proportional to 74,480.63 and 170,163.56

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Solution

The third proportional to 74,480.63 and 170,163.56 is: 388,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,480.63 : 170,163.56 = 170,163.56 : x
  2. Step 2: Convert to fraction form
    74,480.63/170,163.56 = 170,163.56/x
  3. Step 3: Cross multiply
    74,480.63x = 170,163.56 × 170,163.56
  4. Step 4: Simplify right side
    74,480.63x = 28,955,638,002.69
  5. Step 5: Solve for x
    x = 28,955,638,002.69/74,480.63
  6. Step 6: Final answer
    x = 388,767.39

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.