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Finding the Third Proportional to 210,326 and 325,857

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Solution

The third proportional to 210,326 and 325,857 is: 504,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,326 : 325,857 = 325,857 : x
  2. Step 2: Convert to fraction form
    210,326/325,857 = 325,857/x
  3. Step 3: Cross multiply
    210,326x = 325,857 × 325,857
  4. Step 4: Simplify right side
    210,326x = 106,182,784,449
  5. Step 5: Solve for x
    x = 106,182,784,449/210,326
  6. Step 6: Final answer
    x = 504,848.59

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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.