Home / 149,846-321,724

Finding the Third Proportional to 149,846 and 321,724

Calculator

Solution

The third proportional to 149,846 and 321,724 is: 690,751.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,846 : 321,724 = 321,724 : x
  2. Step 2: Convert to fraction form
    149,846/321,724 = 321,724/x
  3. Step 3: Cross multiply
    149,846x = 321,724 × 321,724
  4. Step 4: Simplify right side
    149,846x = 103,506,332,176
  5. Step 5: Solve for x
    x = 103,506,332,176/149,846
  6. Step 6: Final answer
    x = 690,751.39

Related Problems

Find third proportional to 74,923 and 160,862
Half scale
Find third proportional to 299,692 and 643,448
Double scale
Find third proportional to 149,848 and 321,728
Similar ratio
Find third proportional to 224,769 and 482,586
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.