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Finding the Third Proportional to 191,609.63 and 395,519.25

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Solution

The third proportional to 191,609.63 and 395,519.25 is: 816,428.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,609.63 : 395,519.25 = 395,519.25 : x
  2. Step 2: Convert to fraction form
    191,609.63/395,519.25 = 395,519.25/x
  3. Step 3: Cross multiply
    191,609.63x = 395,519.25 × 395,519.25
  4. Step 4: Simplify right side
    191,609.63x = 156,435,477,120.56
  5. Step 5: Solve for x
    x = 156,435,477,120.56/191,609.63
  6. Step 6: Final answer
    x = 816,428.07

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.