Home / 155,429-338,962

Finding the Third Proportional to 155,429 and 338,962

Calculator

Solution

The third proportional to 155,429 and 338,962 is: 739,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429 : 338,962 = 338,962 : x
  2. Step 2: Convert to fraction form
    155,429/338,962 = 338,962/x
  3. Step 3: Cross multiply
    155,429x = 338,962 × 338,962
  4. Step 4: Simplify right side
    155,429x = 114,895,237,444
  5. Step 5: Solve for x
    x = 114,895,237,444/155,429
  6. Step 6: Final answer
    x = 739,213.64

Related Problems

Find third proportional to 77,714.50 and 169,481
Half scale
Find third proportional to 310,858 and 677,924
Double scale
Find third proportional to 155,431 and 338,966
Similar ratio
Find third proportional to 233,143.50 and 508,443
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.