Home / 275,250-425,400

Finding the Third Proportional to 275,250 and 425,400

Calculator

Solution

The third proportional to 275,250 and 425,400 is: 657,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,250 : 425,400 = 425,400 : x
  2. Step 2: Convert to fraction form
    275,250/425,400 = 425,400/x
  3. Step 3: Cross multiply
    275,250x = 425,400 × 425,400
  4. Step 4: Simplify right side
    275,250x = 180,965,160,000
  5. Step 5: Solve for x
    x = 180,965,160,000/275,250
  6. Step 6: Final answer
    x = 657,457.44

Related Problems

Find third proportional to 137,625 and 212,700
Half scale
Find third proportional to 550,500 and 850,800
Double scale
Find third proportional to 275,252 and 425,403
Similar ratio
Find third proportional to 412,875 and 638,100
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.