Home / 69,896-149,200

Finding the Third Proportional to 69,896 and 149,200

Calculator

Solution

The third proportional to 69,896 and 149,200 is: 318,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,896 : 149,200 = 149,200 : x
  2. Step 2: Convert to fraction form
    69,896/149,200 = 149,200/x
  3. Step 3: Cross multiply
    69,896x = 149,200 × 149,200
  4. Step 4: Simplify right side
    69,896x = 22,260,640,000
  5. Step 5: Solve for x
    x = 22,260,640,000/69,896
  6. Step 6: Final answer
    x = 318,482.32

Related Problems

Find third proportional to 34,948 and 74,600
Half scale
Find third proportional to 139,792 and 298,400
Double scale
Find third proportional to 69,898 and 149,204
Similar ratio
Find third proportional to 104,844 and 223,800
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.