Home / 154,503-338,517

Finding the Third Proportional to 154,503 and 338,517

Calculator

Solution

The third proportional to 154,503 and 338,517 is: 741,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,503 : 338,517 = 338,517 : x
  2. Step 2: Convert to fraction form
    154,503/338,517 = 338,517/x
  3. Step 3: Cross multiply
    154,503x = 338,517 × 338,517
  4. Step 4: Simplify right side
    154,503x = 114,593,759,289
  5. Step 5: Solve for x
    x = 114,593,759,289/154,503
  6. Step 6: Final answer
    x = 741,692.78

Related Problems

Find third proportional to 77,251.50 and 169,258.50
Half scale
Find third proportional to 309,006 and 677,034
Double scale
Find third proportional to 154,505 and 338,521
Similar ratio
Find third proportional to 231,754.50 and 507,775.50
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.