Home / 69,138-150,790

Finding the Third Proportional to 69,138 and 150,790

Calculator

Solution

The third proportional to 69,138 and 150,790 is: 328,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,138 : 150,790 = 150,790 : x
  2. Step 2: Convert to fraction form
    69,138/150,790 = 150,790/x
  3. Step 3: Cross multiply
    69,138x = 150,790 × 150,790
  4. Step 4: Simplify right side
    69,138x = 22,737,624,100
  5. Step 5: Solve for x
    x = 22,737,624,100/69,138
  6. Step 6: Final answer
    x = 328,873.04

Related Problems

Find third proportional to 34,569 and 75,395
Half scale
Find third proportional to 138,276 and 301,580
Double scale
Find third proportional to 69,140 and 150,794
Similar ratio
Find third proportional to 103,707 and 226,185
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.