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Finding the Third Proportional to 126,230 and 276,603

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Solution

The third proportional to 126,230 and 276,603 is: 606,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,230 : 276,603 = 276,603 : x
  2. Step 2: Convert to fraction form
    126,230/276,603 = 276,603/x
  3. Step 3: Cross multiply
    126,230x = 276,603 × 276,603
  4. Step 4: Simplify right side
    126,230x = 76,509,219,609
  5. Step 5: Solve for x
    x = 76,509,219,609/126,230
  6. Step 6: Final answer
    x = 606,109.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.