Home / 156,008-256,260

Finding the Third Proportional to 156,008 and 256,260

Calculator

Solution

The third proportional to 156,008 and 256,260 is: 420,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,008 : 256,260 = 256,260 : x
  2. Step 2: Convert to fraction form
    156,008/256,260 = 256,260/x
  3. Step 3: Cross multiply
    156,008x = 256,260 × 256,260
  4. Step 4: Simplify right side
    156,008x = 65,669,187,600
  5. Step 5: Solve for x
    x = 65,669,187,600/156,008
  6. Step 6: Final answer
    x = 420,934.74

Related Problems

Find third proportional to 78,004 and 128,130
Half scale
Find third proportional to 312,016 and 512,520
Double scale
Find third proportional to 156,010 and 256,263
Similar ratio
Find third proportional to 234,012 and 384,390
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.