Home / 270,000-557,280

Finding the Third Proportional to 270,000 and 557,280

Calculator

Solution

The third proportional to 270,000 and 557,280 is: 1,150,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,000 : 557,280 = 557,280 : x
  2. Step 2: Convert to fraction form
    270,000/557,280 = 557,280/x
  3. Step 3: Cross multiply
    270,000x = 557,280 × 557,280
  4. Step 4: Simplify right side
    270,000x = 310,560,998,400
  5. Step 5: Solve for x
    x = 310,560,998,400/270,000
  6. Step 6: Final answer
    x = 1,150,225.92

Related Problems

Find third proportional to 135,000 and 278,640
Half scale
Find third proportional to 540,000 and 1,114,560
Double scale
Find third proportional to 270,002 and 557,284
Similar ratio
Find third proportional to 405,000 and 835,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.