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Finding the Third Proportional to 173,198.25 and 380,416.50

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Solution

The third proportional to 173,198.25 and 380,416.50 is: 835,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,198.25 : 380,416.50 = 380,416.50 : x
  2. Step 2: Convert to fraction form
    173,198.25/380,416.50 = 380,416.50/x
  3. Step 3: Cross multiply
    173,198.25x = 380,416.50 × 380,416.50
  4. Step 4: Simplify right side
    173,198.25x = 144,716,713,472.25
  5. Step 5: Solve for x
    x = 144,716,713,472.25/173,198.25
  6. Step 6: Final answer
    x = 835,555.29

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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.