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Finding the Third Proportional to 126,732 and 177,177

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Solution

The third proportional to 126,732 and 177,177 is: 247,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,732 : 177,177 = 177,177 : x
  2. Step 2: Convert to fraction form
    126,732/177,177 = 177,177/x
  3. Step 3: Cross multiply
    126,732x = 177,177 × 177,177
  4. Step 4: Simplify right side
    126,732x = 31,391,689,329
  5. Step 5: Solve for x
    x = 31,391,689,329/126,732
  6. Step 6: Final answer
    x = 247,701.36

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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.