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Finding the Third Proportional to 479,082 and 798,420

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Solution

The third proportional to 479,082 and 798,420 is: 1,330,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,082 : 798,420 = 798,420 : x
  2. Step 2: Convert to fraction form
    479,082/798,420 = 798,420/x
  3. Step 3: Cross multiply
    479,082x = 798,420 × 798,420
  4. Step 4: Simplify right side
    479,082x = 637,474,496,400
  5. Step 5: Solve for x
    x = 637,474,496,400/479,082
  6. Step 6: Final answer
    x = 1,330,616.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.