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Finding the Third Proportional to 126,725.25 and 177,169.50

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Solution

The third proportional to 126,725.25 and 177,169.50 is: 247,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725.25 : 177,169.50 = 177,169.50 : x
  2. Step 2: Convert to fraction form
    126,725.25/177,169.50 = 177,169.50/x
  3. Step 3: Cross multiply
    126,725.25x = 177,169.50 × 177,169.50
  4. Step 4: Simplify right side
    126,725.25x = 31,389,031,730.25
  5. Step 5: Solve for x
    x = 31,389,031,730.25/126,725.25
  6. Step 6: Final answer
    x = 247,693.59

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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.