Home / 154,456-338,464

Finding the Third Proportional to 154,456 and 338,464

Calculator

Solution

The third proportional to 154,456 and 338,464 is: 741,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,456 : 338,464 = 338,464 : x
  2. Step 2: Convert to fraction form
    154,456/338,464 = 338,464/x
  3. Step 3: Cross multiply
    154,456x = 338,464 × 338,464
  4. Step 4: Simplify right side
    154,456x = 114,557,879,296
  5. Step 5: Solve for x
    x = 114,557,879,296/154,456
  6. Step 6: Final answer
    x = 741,686.17

Related Problems

Find third proportional to 77,228 and 169,232
Half scale
Find third proportional to 308,912 and 676,928
Double scale
Find third proportional to 154,458 and 338,468
Similar ratio
Find third proportional to 231,684 and 507,696
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.