Home / 3,528-7,140

Finding the Third Proportional to 3,528 and 7,140

Calculator

Solution

The third proportional to 3,528 and 7,140 is: 14,450

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528 : 7,140 = 7,140 : x
  2. Step 2: Convert to fraction form
    3,528/7,140 = 7,140/x
  3. Step 3: Cross multiply
    3,528x = 7,140 × 7,140
  4. Step 4: Simplify right side
    3,528x = 50,979,600
  5. Step 5: Solve for x
    x = 50,979,600/3,528
  6. Step 6: Final answer
    x = 14,450

Related Problems

Find third proportional to 1,764 and 3,570
Half scale
Find third proportional to 7,056 and 14,280
Double scale
Find third proportional to 3,530 and 7,144
Similar ratio
Find third proportional to 5,292 and 10,710
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.