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Finding the Third Proportional to 79,405.95 and 174,555

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Solution

The third proportional to 79,405.95 and 174,555 is: 383,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,405.95 : 174,555 = 174,555 : x
  2. Step 2: Convert to fraction form
    79,405.95/174,555 = 174,555/x
  3. Step 3: Cross multiply
    79,405.95x = 174,555 × 174,555
  4. Step 4: Simplify right side
    79,405.95x = 30,469,448,025
  5. Step 5: Solve for x
    x = 30,469,448,025/79,405.95
  6. Step 6: Final answer
    x = 383,717.46

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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.