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Finding the Third Proportional to 196,401.38 and 300,317.63

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Solution

The third proportional to 196,401.38 and 300,317.63 is: 459,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,401.38 : 300,317.63 = 300,317.63 : x
  2. Step 2: Convert to fraction form
    196,401.38/300,317.63 = 300,317.63/x
  3. Step 3: Cross multiply
    196,401.38x = 300,317.63 × 300,317.63
  4. Step 4: Simplify right side
    196,401.38x = 90,190,675,885.64
  5. Step 5: Solve for x
    x = 90,190,675,885.64/196,401.38
  6. Step 6: Final answer
    x = 459,216.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.