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Finding the Third Proportional to 115,326 and 253,372

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Solution

The third proportional to 115,326 and 253,372 is: 556,659.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,326 : 253,372 = 253,372 : x
  2. Step 2: Convert to fraction form
    115,326/253,372 = 253,372/x
  3. Step 3: Cross multiply
    115,326x = 253,372 × 253,372
  4. Step 4: Simplify right side
    115,326x = 64,197,370,384
  5. Step 5: Solve for x
    x = 64,197,370,384/115,326
  6. Step 6: Final answer
    x = 556,659.99

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.