Home / 90,520-126,611

Finding the Third Proportional to 90,520 and 126,611

Calculator

Solution

The third proportional to 90,520 and 126,611 is: 177,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,520 : 126,611 = 126,611 : x
  2. Step 2: Convert to fraction form
    90,520/126,611 = 126,611/x
  3. Step 3: Cross multiply
    90,520x = 126,611 × 126,611
  4. Step 4: Simplify right side
    90,520x = 16,030,345,321
  5. Step 5: Solve for x
    x = 16,030,345,321/90,520
  6. Step 6: Final answer
    x = 177,091.75

Related Problems

Find third proportional to 45,260 and 63,305.50
Half scale
Find third proportional to 181,040 and 253,222
Double scale
Find third proportional to 90,522 and 126,614
Similar ratio
Find third proportional to 135,780 and 189,916.50
1.5x scale

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.