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Finding the Third Proportional to 126,460 and 264,611

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Solution

The third proportional to 126,460 and 264,611 is: 553,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,460 : 264,611 = 264,611 : x
  2. Step 2: Convert to fraction form
    126,460/264,611 = 264,611/x
  3. Step 3: Cross multiply
    126,460x = 264,611 × 264,611
  4. Step 4: Simplify right side
    126,460x = 70,018,981,321
  5. Step 5: Solve for x
    x = 70,018,981,321/126,460
  6. Step 6: Final answer
    x = 553,684.81

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.