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Finding the Third Proportional to 214,648 and 340,384

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Solution

The third proportional to 214,648 and 340,384 is: 539,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,648 : 340,384 = 340,384 : x
  2. Step 2: Convert to fraction form
    214,648/340,384 = 340,384/x
  3. Step 3: Cross multiply
    214,648x = 340,384 × 340,384
  4. Step 4: Simplify right side
    214,648x = 115,861,267,456
  5. Step 5: Solve for x
    x = 115,861,267,456/214,648
  6. Step 6: Final answer
    x = 539,773.34

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.