Home / 149,778-327,690

Finding the Third Proportional to 149,778 and 327,690

Calculator

Solution

The third proportional to 149,778 and 327,690 is: 716,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,778 : 327,690 = 327,690 : x
  2. Step 2: Convert to fraction form
    149,778/327,690 = 327,690/x
  3. Step 3: Cross multiply
    149,778x = 327,690 × 327,690
  4. Step 4: Simplify right side
    149,778x = 107,380,736,100
  5. Step 5: Solve for x
    x = 107,380,736,100/149,778
  6. Step 6: Final answer
    x = 716,932.63

Related Problems

Find third proportional to 74,889 and 163,845
Half scale
Find third proportional to 299,556 and 655,380
Double scale
Find third proportional to 149,780 and 327,694
Similar ratio
Find third proportional to 224,667 and 491,535
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.