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Finding the Third Proportional to 234,576 and 361,980

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Solution

The third proportional to 234,576 and 361,980 is: 558,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,576 : 361,980 = 361,980 : x
  2. Step 2: Convert to fraction form
    234,576/361,980 = 361,980/x
  3. Step 3: Cross multiply
    234,576x = 361,980 × 361,980
  4. Step 4: Simplify right side
    234,576x = 131,029,520,400
  5. Step 5: Solve for x
    x = 131,029,520,400/234,576
  6. Step 6: Final answer
    x = 558,580.25

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.