Home / 40,904-87,721

Finding the Third Proportional to 40,904 and 87,721

Calculator

Solution

The third proportional to 40,904 and 87,721 is: 188,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904 : 87,721 = 87,721 : x
  2. Step 2: Convert to fraction form
    40,904/87,721 = 87,721/x
  3. Step 3: Cross multiply
    40,904x = 87,721 × 87,721
  4. Step 4: Simplify right side
    40,904x = 7,694,973,841
  5. Step 5: Solve for x
    x = 7,694,973,841/40,904
  6. Step 6: Final answer
    x = 188,122.77

Related Problems

Find third proportional to 20,452 and 43,860.50
Half scale
Find third proportional to 81,808 and 175,442
Double scale
Find third proportional to 40,906 and 87,725
Similar ratio
Find third proportional to 61,356 and 131,581.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.