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Finding the Third Proportional to 118,274 and 256,252

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Solution

The third proportional to 118,274 and 256,252 is: 555,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,274 : 256,252 = 256,252 : x
  2. Step 2: Convert to fraction form
    118,274/256,252 = 256,252/x
  3. Step 3: Cross multiply
    118,274x = 256,252 × 256,252
  4. Step 4: Simplify right side
    118,274x = 65,665,087,504
  5. Step 5: Solve for x
    x = 65,665,087,504/118,274
  6. Step 6: Final answer
    x = 555,194.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.