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Finding the Third Proportional to 196,958.25 and 429,563.25

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Solution

The third proportional to 196,958.25 and 429,563.25 is: 936,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,958.25 : 429,563.25 = 429,563.25 : x
  2. Step 2: Convert to fraction form
    196,958.25/429,563.25 = 429,563.25/x
  3. Step 3: Cross multiply
    196,958.25x = 429,563.25 × 429,563.25
  4. Step 4: Simplify right side
    196,958.25x = 184,524,585,750.56
  5. Step 5: Solve for x
    x = 184,524,585,750.56/196,958.25
  6. Step 6: Final answer
    x = 936,871.57

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.