Home / 3,570-8,457

Finding the Third Proportional to 3,570 and 8,457

Calculator

Solution

The third proportional to 3,570 and 8,457 is: 20,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570 : 8,457 = 8,457 : x
  2. Step 2: Convert to fraction form
    3,570/8,457 = 8,457/x
  3. Step 3: Cross multiply
    3,570x = 8,457 × 8,457
  4. Step 4: Simplify right side
    3,570x = 71,520,849
  5. Step 5: Solve for x
    x = 71,520,849/3,570
  6. Step 6: Final answer
    x = 20,033.85

Related Problems

Find third proportional to 1,785 and 4,228.50
Half scale
Find third proportional to 7,140 and 16,914
Double scale
Find third proportional to 3,572 and 8,462
Similar ratio
Find third proportional to 5,355 and 12,685.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.