Home / 80,945-126,715

Finding the Third Proportional to 80,945 and 126,715

Calculator

Solution

The third proportional to 80,945 and 126,715 is: 198,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,945 : 126,715 = 126,715 : x
  2. Step 2: Convert to fraction form
    80,945/126,715 = 126,715/x
  3. Step 3: Cross multiply
    80,945x = 126,715 × 126,715
  4. Step 4: Simplify right side
    80,945x = 16,056,691,225
  5. Step 5: Solve for x
    x = 16,056,691,225/80,945
  6. Step 6: Final answer
    x = 198,365.45

Related Problems

Find third proportional to 40,472.50 and 63,357.50
Half scale
Find third proportional to 161,890 and 253,430
Double scale
Find third proportional to 80,947 and 126,718
Similar ratio
Find third proportional to 121,417.50 and 190,072.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.