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Finding the Third Proportional to 199,657.50 and 436,161

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Solution

The third proportional to 199,657.50 and 436,161 is: 952,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,657.50 : 436,161 = 436,161 : x
  2. Step 2: Convert to fraction form
    199,657.50/436,161 = 436,161/x
  3. Step 3: Cross multiply
    199,657.50x = 436,161 × 436,161
  4. Step 4: Simplify right side
    199,657.50x = 190,236,417,921
  5. Step 5: Solve for x
    x = 190,236,417,921/199,657.50
  6. Step 6: Final answer
    x = 952,813.78

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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.