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Finding the Third Proportional to 126,726 and 177,171

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Solution

The third proportional to 126,726 and 177,171 is: 247,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,726 : 177,171 = 177,171 : x
  2. Step 2: Convert to fraction form
    126,726/177,171 = 177,171/x
  3. Step 3: Cross multiply
    126,726x = 177,171 × 177,171
  4. Step 4: Simplify right side
    126,726x = 31,389,563,241
  5. Step 5: Solve for x
    x = 31,389,563,241/126,726
  6. Step 6: Final answer
    x = 247,696.32

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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.