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Finding the Third Proportional to 127,112 and 276,356

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Solution

The third proportional to 127,112 and 276,356 is: 600,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,112 : 276,356 = 276,356 : x
  2. Step 2: Convert to fraction form
    127,112/276,356 = 276,356/x
  3. Step 3: Cross multiply
    127,112x = 276,356 × 276,356
  4. Step 4: Simplify right side
    127,112x = 76,372,638,736
  5. Step 5: Solve for x
    x = 76,372,638,736/127,112
  6. Step 6: Final answer
    x = 600,829.49

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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.