Home / 71,928-156,087

Finding the Third Proportional to 71,928 and 156,087

Calculator

Solution

The third proportional to 71,928 and 156,087 is: 338,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,928 : 156,087 = 156,087 : x
  2. Step 2: Convert to fraction form
    71,928/156,087 = 156,087/x
  3. Step 3: Cross multiply
    71,928x = 156,087 × 156,087
  4. Step 4: Simplify right side
    71,928x = 24,363,151,569
  5. Step 5: Solve for x
    x = 24,363,151,569/71,928
  6. Step 6: Final answer
    x = 338,715.82

Related Problems

Find third proportional to 35,964 and 78,043.50
Half scale
Find third proportional to 143,856 and 312,174
Double scale
Find third proportional to 71,930 and 156,091
Similar ratio
Find third proportional to 107,892 and 234,130.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.