Home / 968-1,640

Finding the Third Proportional to 968 and 1,640

Calculator

Solution

The third proportional to 968 and 1,640 is: 2,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    968 : 1,640 = 1,640 : x
  2. Step 2: Convert to fraction form
    968/1,640 = 1,640/x
  3. Step 3: Cross multiply
    968x = 1,640 × 1,640
  4. Step 4: Simplify right side
    968x = 2,689,600
  5. Step 5: Solve for x
    x = 2,689,600/968
  6. Step 6: Final answer
    x = 2,778.51

Related Problems

Find third proportional to 484 and 820
Half scale
Find third proportional to 1,936 and 3,280
Double scale
Find third proportional to 970 and 1,643
Similar ratio
Find third proportional to 1,452 and 2,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.