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Finding the Third Proportional to 179,106.19 and 389,286

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Solution

The third proportional to 179,106.19 and 389,286 is: 846,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,106.19 : 389,286 = 389,286 : x
  2. Step 2: Convert to fraction form
    179,106.19/389,286 = 389,286/x
  3. Step 3: Cross multiply
    179,106.19x = 389,286 × 389,286
  4. Step 4: Simplify right side
    179,106.19x = 151,543,589,796
  5. Step 5: Solve for x
    x = 151,543,589,796/179,106.19
  6. Step 6: Final answer
    x = 846,110.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.