Home / 990.50-1,425

Finding the Third Proportional to 990.50 and 1,425

Calculator

Solution

The third proportional to 990.50 and 1,425 is: 2,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    990.50 : 1,425 = 1,425 : x
  2. Step 2: Convert to fraction form
    990.50/1,425 = 1,425/x
  3. Step 3: Cross multiply
    990.50x = 1,425 × 1,425
  4. Step 4: Simplify right side
    990.50x = 2,030,625
  5. Step 5: Solve for x
    x = 2,030,625/990.50
  6. Step 6: Final answer
    x = 2,050.10

Related Problems

Find third proportional to 495.25 and 712.50
Half scale
Find third proportional to 1,981 and 2,850
Double scale
Find third proportional to 993 and 1,428
Similar ratio
Find third proportional to 1,485.75 and 2,137.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.