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Finding the Third Proportional to 385,168.50 and 858,849.75

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Solution

The third proportional to 385,168.50 and 858,849.75 is: 1,915,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,168.50 : 858,849.75 = 858,849.75 : x
  2. Step 2: Convert to fraction form
    385,168.50/858,849.75 = 858,849.75/x
  3. Step 3: Cross multiply
    385,168.50x = 858,849.75 × 858,849.75
  4. Step 4: Simplify right side
    385,168.50x = 737,622,893,075.06
  5. Step 5: Solve for x
    x = 737,622,893,075.06/385,168.50
  6. Step 6: Final answer
    x = 1,915,065.47

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.