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Finding the Third Proportional to 302,967 and 469,761

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Solution

The third proportional to 302,967 and 469,761 is: 728,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,967 : 469,761 = 469,761 : x
  2. Step 2: Convert to fraction form
    302,967/469,761 = 469,761/x
  3. Step 3: Cross multiply
    302,967x = 469,761 × 469,761
  4. Step 4: Simplify right side
    302,967x = 220,675,397,121
  5. Step 5: Solve for x
    x = 220,675,397,121/302,967
  6. Step 6: Final answer
    x = 728,380.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.