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Finding the Third Proportional to 126,294 and 277,644

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Solution

The third proportional to 126,294 and 277,644 is: 610,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,294 : 277,644 = 277,644 : x
  2. Step 2: Convert to fraction form
    126,294/277,644 = 277,644/x
  3. Step 3: Cross multiply
    126,294x = 277,644 × 277,644
  4. Step 4: Simplify right side
    126,294x = 77,086,190,736
  5. Step 5: Solve for x
    x = 77,086,190,736/126,294
  6. Step 6: Final answer
    x = 610,370.97

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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.