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Finding the Third Proportional to 199,195.50 and 431,580.75

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Solution

The third proportional to 199,195.50 and 431,580.75 is: 935,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,195.50 : 431,580.75 = 431,580.75 : x
  2. Step 2: Convert to fraction form
    199,195.50/431,580.75 = 431,580.75/x
  3. Step 3: Cross multiply
    199,195.50x = 431,580.75 × 431,580.75
  4. Step 4: Simplify right side
    199,195.50x = 186,261,943,770.56
  5. Step 5: Solve for x
    x = 186,261,943,770.56/199,195.50
  6. Step 6: Final answer
    x = 935,071.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.