Home / 154,964-339,412

Finding the Third Proportional to 154,964 and 339,412

Calculator

Solution

The third proportional to 154,964 and 339,412 is: 743,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,964 : 339,412 = 339,412 : x
  2. Step 2: Convert to fraction form
    154,964/339,412 = 339,412/x
  3. Step 3: Cross multiply
    154,964x = 339,412 × 339,412
  4. Step 4: Simplify right side
    154,964x = 115,200,505,744
  5. Step 5: Solve for x
    x = 115,200,505,744/154,964
  6. Step 6: Final answer
    x = 743,401.73

Related Problems

Find third proportional to 77,482 and 169,706
Half scale
Find third proportional to 309,928 and 678,824
Double scale
Find third proportional to 154,966 and 339,416
Similar ratio
Find third proportional to 232,446 and 509,118
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.