Home / 154,920-338,270

Finding the Third Proportional to 154,920 and 338,270

Calculator

Solution

The third proportional to 154,920 and 338,270 is: 738,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,920 : 338,270 = 338,270 : x
  2. Step 2: Convert to fraction form
    154,920/338,270 = 338,270/x
  3. Step 3: Cross multiply
    154,920x = 338,270 × 338,270
  4. Step 4: Simplify right side
    154,920x = 114,426,592,900
  5. Step 5: Solve for x
    x = 114,426,592,900/154,920
  6. Step 6: Final answer
    x = 738,617.31

Related Problems

Find third proportional to 77,460 and 169,135
Half scale
Find third proportional to 309,840 and 676,540
Double scale
Find third proportional to 154,922 and 338,274
Similar ratio
Find third proportional to 232,380 and 507,405
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.