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Finding the Third Proportional to 199,763 and 429,171

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Solution

The third proportional to 199,763 and 429,171 is: 922,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,763 : 429,171 = 429,171 : x
  2. Step 2: Convert to fraction form
    199,763/429,171 = 429,171/x
  3. Step 3: Cross multiply
    199,763x = 429,171 × 429,171
  4. Step 4: Simplify right side
    199,763x = 184,187,747,241
  5. Step 5: Solve for x
    x = 184,187,747,241/199,763
  6. Step 6: Final answer
    x = 922,031.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.