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Finding the Third Proportional to 203,758.50 and 445,378.50

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Solution

The third proportional to 203,758.50 and 445,378.50 is: 973,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,758.50 : 445,378.50 = 445,378.50 : x
  2. Step 2: Convert to fraction form
    203,758.50/445,378.50 = 445,378.50/x
  3. Step 3: Cross multiply
    203,758.50x = 445,378.50 × 445,378.50
  4. Step 4: Simplify right side
    203,758.50x = 198,362,008,262.25
  5. Step 5: Solve for x
    x = 198,362,008,262.25/203,758.50
  6. Step 6: Final answer
    x = 973,515.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.