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Finding the Third Proportional to 126,788 and 177,244

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Solution

The third proportional to 126,788 and 177,244 is: 247,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,788 : 177,244 = 177,244 : x
  2. Step 2: Convert to fraction form
    126,788/177,244 = 177,244/x
  3. Step 3: Cross multiply
    126,788x = 177,244 × 177,244
  4. Step 4: Simplify right side
    126,788x = 31,415,435,536
  5. Step 5: Solve for x
    x = 31,415,435,536/126,788
  6. Step 6: Final answer
    x = 247,779.25

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.