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Finding the Third Proportional to 126,322 and 270,147

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Solution

The third proportional to 126,322 and 270,147 is: 577,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,322 : 270,147 = 270,147 : x
  2. Step 2: Convert to fraction form
    126,322/270,147 = 270,147/x
  3. Step 3: Cross multiply
    126,322x = 270,147 × 270,147
  4. Step 4: Simplify right side
    126,322x = 72,979,401,609
  5. Step 5: Solve for x
    x = 72,979,401,609/126,322
  6. Step 6: Final answer
    x = 577,725.19

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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.