Home / 40,252.50-87,420

Finding the Third Proportional to 40,252.50 and 87,420

Calculator

Solution

The third proportional to 40,252.50 and 87,420 is: 189,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,252.50 : 87,420 = 87,420 : x
  2. Step 2: Convert to fraction form
    40,252.50/87,420 = 87,420/x
  3. Step 3: Cross multiply
    40,252.50x = 87,420 × 87,420
  4. Step 4: Simplify right side
    40,252.50x = 7,642,256,400
  5. Step 5: Solve for x
    x = 7,642,256,400/40,252.50
  6. Step 6: Final answer
    x = 189,857.93

Related Problems

Find third proportional to 20,126.25 and 43,710
Half scale
Find third proportional to 80,505 and 174,840
Double scale
Find third proportional to 40,255 and 87,424
Similar ratio
Find third proportional to 60,378.75 and 131,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.