Home / 156,680-335,486

Finding the Third Proportional to 156,680 and 335,486

Calculator

Solution

The third proportional to 156,680 and 335,486 is: 718,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,680 : 335,486 = 335,486 : x
  2. Step 2: Convert to fraction form
    156,680/335,486 = 335,486/x
  3. Step 3: Cross multiply
    156,680x = 335,486 × 335,486
  4. Step 4: Simplify right side
    156,680x = 112,550,856,196
  5. Step 5: Solve for x
    x = 112,550,856,196/156,680
  6. Step 6: Final answer
    x = 718,348.58

Related Problems

Find third proportional to 78,340 and 167,743
Half scale
Find third proportional to 313,360 and 670,972
Double scale
Find third proportional to 156,682 and 335,490
Similar ratio
Find third proportional to 235,020 and 503,229
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.