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Finding the Third Proportional to 214,321.50 and 458,169.75

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Solution

The third proportional to 214,321.50 and 458,169.75 is: 979,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,321.50 : 458,169.75 = 458,169.75 : x
  2. Step 2: Convert to fraction form
    214,321.50/458,169.75 = 458,169.75/x
  3. Step 3: Cross multiply
    214,321.50x = 458,169.75 × 458,169.75
  4. Step 4: Simplify right side
    214,321.50x = 209,919,519,815.06
  5. Step 5: Solve for x
    x = 209,919,519,815.06/214,321.50
  6. Step 6: Final answer
    x = 979,460.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.