Home / 156,125-338,305

Finding the Third Proportional to 156,125 and 338,305

Calculator

Solution

The third proportional to 156,125 and 338,305 is: 733,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,125 : 338,305 = 338,305 : x
  2. Step 2: Convert to fraction form
    156,125/338,305 = 338,305/x
  3. Step 3: Cross multiply
    156,125x = 338,305 × 338,305
  4. Step 4: Simplify right side
    156,125x = 114,450,273,025
  5. Step 5: Solve for x
    x = 114,450,273,025/156,125
  6. Step 6: Final answer
    x = 733,068.20

Related Problems

Find third proportional to 78,062.50 and 169,152.50
Half scale
Find third proportional to 312,250 and 676,610
Double scale
Find third proportional to 156,127 and 338,309
Similar ratio
Find third proportional to 234,187.50 and 507,457.50
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.