Home / 71,149-155,177

Finding the Third Proportional to 71,149 and 155,177

Calculator

Solution

The third proportional to 71,149 and 155,177 is: 338,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,149 : 155,177 = 155,177 : x
  2. Step 2: Convert to fraction form
    71,149/155,177 = 155,177/x
  3. Step 3: Cross multiply
    71,149x = 155,177 × 155,177
  4. Step 4: Simplify right side
    71,149x = 24,079,901,329
  5. Step 5: Solve for x
    x = 24,079,901,329/71,149
  6. Step 6: Final answer
    x = 338,443.29

Related Problems

Find third proportional to 35,574.50 and 77,588.50
Half scale
Find third proportional to 142,298 and 310,354
Double scale
Find third proportional to 71,151 and 155,181
Similar ratio
Find third proportional to 106,723.50 and 232,765.50
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.