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Finding the Third Proportional to 590,680 and 1,288,266

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Solution

The third proportional to 590,680 and 1,288,266 is: 2,809,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,680 : 1,288,266 = 1,288,266 : x
  2. Step 2: Convert to fraction form
    590,680/1,288,266 = 1,288,266/x
  3. Step 3: Cross multiply
    590,680x = 1,288,266 × 1,288,266
  4. Step 4: Simplify right side
    590,680x = 1,659,629,286,756
  5. Step 5: Solve for x
    x = 1,659,629,286,756/590,680
  6. Step 6: Final answer
    x = 2,809,692.70

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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.