Home / 149,958-313,680

Finding the Third Proportional to 149,958 and 313,680

Calculator

Solution

The third proportional to 149,958 and 313,680 is: 656,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,958 : 313,680 = 313,680 : x
  2. Step 2: Convert to fraction form
    149,958/313,680 = 313,680/x
  3. Step 3: Cross multiply
    149,958x = 313,680 × 313,680
  4. Step 4: Simplify right side
    149,958x = 98,395,142,400
  5. Step 5: Solve for x
    x = 98,395,142,400/149,958
  6. Step 6: Final answer
    x = 656,151.34

Related Problems

Find third proportional to 74,979 and 156,840
Half scale
Find third proportional to 299,916 and 627,360
Double scale
Find third proportional to 149,960 and 313,684
Similar ratio
Find third proportional to 224,937 and 470,520
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.