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Finding the Third Proportional to 196,951 and 429,548

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Solution

The third proportional to 196,951 and 429,548 is: 936,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,951 : 429,548 = 429,548 : x
  2. Step 2: Convert to fraction form
    196,951/429,548 = 429,548/x
  3. Step 3: Cross multiply
    196,951x = 429,548 × 429,548
  4. Step 4: Simplify right side
    196,951x = 184,511,484,304
  5. Step 5: Solve for x
    x = 184,511,484,304/196,951
  6. Step 6: Final answer
    x = 936,839.54

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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.