Home / 896-1,720

Finding the Third Proportional to 896 and 1,720

Calculator

Solution

The third proportional to 896 and 1,720 is: 3,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    896 : 1,720 = 1,720 : x
  2. Step 2: Convert to fraction form
    896/1,720 = 1,720/x
  3. Step 3: Cross multiply
    896x = 1,720 × 1,720
  4. Step 4: Simplify right side
    896x = 2,958,400
  5. Step 5: Solve for x
    x = 2,958,400/896
  6. Step 6: Final answer
    x = 3,301.79

Related Problems

Find third proportional to 448 and 860
Half scale
Find third proportional to 1,792 and 3,440
Double scale
Find third proportional to 898 and 1,724
Similar ratio
Find third proportional to 1,344 and 2,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.