Home / 156,724-338,388

Finding the Third Proportional to 156,724 and 338,388

Calculator

Solution

The third proportional to 156,724 and 338,388 is: 730,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,724 : 338,388 = 338,388 : x
  2. Step 2: Convert to fraction form
    156,724/338,388 = 338,388/x
  3. Step 3: Cross multiply
    156,724x = 338,388 × 338,388
  4. Step 4: Simplify right side
    156,724x = 114,506,438,544
  5. Step 5: Solve for x
    x = 114,506,438,544/156,724
  6. Step 6: Final answer
    x = 730,624.78

Related Problems

Find third proportional to 78,362 and 169,194
Half scale
Find third proportional to 313,448 and 676,776
Double scale
Find third proportional to 156,726 and 338,392
Similar ratio
Find third proportional to 235,086 and 507,582
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.