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Finding the Third Proportional to 229,782 and 330,954

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Solution

The third proportional to 229,782 and 330,954 is: 476,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,782 : 330,954 = 330,954 : x
  2. Step 2: Convert to fraction form
    229,782/330,954 = 330,954/x
  3. Step 3: Cross multiply
    229,782x = 330,954 × 330,954
  4. Step 4: Simplify right side
    229,782x = 109,530,550,116
  5. Step 5: Solve for x
    x = 109,530,550,116/229,782
  6. Step 6: Final answer
    x = 476,671.58

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.