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Finding the Third Proportional to 196,938 and 433,242

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Solution

The third proportional to 196,938 and 433,242 is: 953,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,938 : 433,242 = 433,242 : x
  2. Step 2: Convert to fraction form
    196,938/433,242 = 433,242/x
  3. Step 3: Cross multiply
    196,938x = 433,242 × 433,242
  4. Step 4: Simplify right side
    196,938x = 187,698,630,564
  5. Step 5: Solve for x
    x = 187,698,630,564/196,938
  6. Step 6: Final answer
    x = 953,084.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.