Home / 72,438-156,935

Finding the Third Proportional to 72,438 and 156,935

Calculator

Solution

The third proportional to 72,438 and 156,935 is: 339,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,438 : 156,935 = 156,935 : x
  2. Step 2: Convert to fraction form
    72,438/156,935 = 156,935/x
  3. Step 3: Cross multiply
    72,438x = 156,935 × 156,935
  4. Step 4: Simplify right side
    72,438x = 24,628,594,225
  5. Step 5: Solve for x
    x = 24,628,594,225/72,438
  6. Step 6: Final answer
    x = 339,995.50

Related Problems

Find third proportional to 36,219 and 78,467.50
Half scale
Find third proportional to 144,876 and 313,870
Double scale
Find third proportional to 72,440 and 156,939
Similar ratio
Find third proportional to 108,657 and 235,402.50
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.