Home / 39,422-91,169

Finding the Third Proportional to 39,422 and 91,169

Calculator

Solution

The third proportional to 39,422 and 91,169 is: 210,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,422 : 91,169 = 91,169 : x
  2. Step 2: Convert to fraction form
    39,422/91,169 = 91,169/x
  3. Step 3: Cross multiply
    39,422x = 91,169 × 91,169
  4. Step 4: Simplify right side
    39,422x = 8,311,786,561
  5. Step 5: Solve for x
    x = 8,311,786,561/39,422
  6. Step 6: Final answer
    x = 210,841.32

Related Problems

Find third proportional to 19,711 and 45,584.50
Half scale
Find third proportional to 78,844 and 182,338
Double scale
Find third proportional to 39,424 and 91,174
Similar ratio
Find third proportional to 59,133 and 136,753.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.