Home / 2,528-2,991

Finding the Third Proportional to 2,528 and 2,991

Calculator

Solution

The third proportional to 2,528 and 2,991 is: 3,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528 : 2,991 = 2,991 : x
  2. Step 2: Convert to fraction form
    2,528/2,991 = 2,991/x
  3. Step 3: Cross multiply
    2,528x = 2,991 × 2,991
  4. Step 4: Simplify right side
    2,528x = 8,946,081
  5. Step 5: Solve for x
    x = 8,946,081/2,528
  6. Step 6: Final answer
    x = 3,538.80

Related Problems

Find third proportional to 1,264 and 1,495.50
Half scale
Find third proportional to 5,056 and 5,982
Double scale
Find third proportional to 2,530 and 2,993
Similar ratio
Find third proportional to 3,792 and 4,486.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.