Home / 154,844-339,213

Finding the Third Proportional to 154,844 and 339,213

Calculator

Solution

The third proportional to 154,844 and 339,213 is: 743,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,844 : 339,213 = 339,213 : x
  2. Step 2: Convert to fraction form
    154,844/339,213 = 339,213/x
  3. Step 3: Cross multiply
    154,844x = 339,213 × 339,213
  4. Step 4: Simplify right side
    154,844x = 115,065,459,369
  5. Step 5: Solve for x
    x = 115,065,459,369/154,844
  6. Step 6: Final answer
    x = 743,105.70

Related Problems

Find third proportional to 77,422 and 169,606.50
Half scale
Find third proportional to 309,688 and 678,426
Double scale
Find third proportional to 154,846 and 339,217
Similar ratio
Find third proportional to 232,266 and 508,819.50
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.