Home / 949-1,489

Finding the Third Proportional to 949 and 1,489

Calculator

Solution

The third proportional to 949 and 1,489 is: 2,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    949 : 1,489 = 1,489 : x
  2. Step 2: Convert to fraction form
    949/1,489 = 1,489/x
  3. Step 3: Cross multiply
    949x = 1,489 × 1,489
  4. Step 4: Simplify right side
    949x = 2,217,121
  5. Step 5: Solve for x
    x = 2,217,121/949
  6. Step 6: Final answer
    x = 2,336.27

Related Problems

Find third proportional to 474.50 and 744.50
Half scale
Find third proportional to 1,898 and 2,978
Double scale
Find third proportional to 951 and 1,492
Similar ratio
Find third proportional to 1,423.50 and 2,233.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.