Home / 154,434-338,392

Finding the Third Proportional to 154,434 and 338,392

Calculator

Solution

The third proportional to 154,434 and 338,392 is: 741,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,434 : 338,392 = 338,392 : x
  2. Step 2: Convert to fraction form
    154,434/338,392 = 338,392/x
  3. Step 3: Cross multiply
    154,434x = 338,392 × 338,392
  4. Step 4: Simplify right side
    154,434x = 114,509,145,664
  5. Step 5: Solve for x
    x = 114,509,145,664/154,434
  6. Step 6: Final answer
    x = 741,476.27

Related Problems

Find third proportional to 77,217 and 169,196
Half scale
Find third proportional to 308,868 and 676,784
Double scale
Find third proportional to 154,436 and 338,396
Similar ratio
Find third proportional to 231,651 and 507,588
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.