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Finding the Third Proportional to 126,312 and 271,212

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Solution

The third proportional to 126,312 and 271,212 is: 582,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312 : 271,212 = 271,212 : x
  2. Step 2: Convert to fraction form
    126,312/271,212 = 271,212/x
  3. Step 3: Cross multiply
    126,312x = 271,212 × 271,212
  4. Step 4: Simplify right side
    126,312x = 73,555,948,944
  5. Step 5: Solve for x
    x = 73,555,948,944/126,312
  6. Step 6: Final answer
    x = 582,335.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.