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Finding the Third Proportional to 168,219.19 and 355,392.38

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Solution

The third proportional to 168,219.19 and 355,392.38 is: 750,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,219.19 : 355,392.38 = 355,392.38 : x
  2. Step 2: Convert to fraction form
    168,219.19/355,392.38 = 355,392.38/x
  3. Step 3: Cross multiply
    168,219.19x = 355,392.38 × 355,392.38
  4. Step 4: Simplify right side
    168,219.19x = 126,303,740,208.14
  5. Step 5: Solve for x
    x = 126,303,740,208.14/168,219.19
  6. Step 6: Final answer
    x = 750,828.38

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.