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Finding the Third Proportional to 673,420 and 1,122,234

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Solution

The third proportional to 673,420 and 1,122,234 is: 1,870,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,420 : 1,122,234 = 1,122,234 : x
  2. Step 2: Convert to fraction form
    673,420/1,122,234 = 1,122,234/x
  3. Step 3: Cross multiply
    673,420x = 1,122,234 × 1,122,234
  4. Step 4: Simplify right side
    673,420x = 1,259,409,150,756
  5. Step 5: Solve for x
    x = 1,259,409,150,756/673,420
  6. Step 6: Final answer
    x = 1,870,168.92

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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.