Home / 69,180-149,259

Finding the Third Proportional to 69,180 and 149,259

Calculator

Solution

The third proportional to 69,180 and 149,259 is: 322,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,180 : 149,259 = 149,259 : x
  2. Step 2: Convert to fraction form
    69,180/149,259 = 149,259/x
  3. Step 3: Cross multiply
    69,180x = 149,259 × 149,259
  4. Step 4: Simplify right side
    69,180x = 22,278,249,081
  5. Step 5: Solve for x
    x = 22,278,249,081/69,180
  6. Step 6: Final answer
    x = 322,033.09

Related Problems

Find third proportional to 34,590 and 74,629.50
Half scale
Find third proportional to 138,360 and 298,518
Double scale
Find third proportional to 69,182 and 149,263
Similar ratio
Find third proportional to 103,770 and 223,888.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.