Home / 40,012-57,000

Finding the Third Proportional to 40,012 and 57,000

Calculator

Solution

The third proportional to 40,012 and 57,000 is: 81,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012 : 57,000 = 57,000 : x
  2. Step 2: Convert to fraction form
    40,012/57,000 = 57,000/x
  3. Step 3: Cross multiply
    40,012x = 57,000 × 57,000
  4. Step 4: Simplify right side
    40,012x = 3,249,000,000
  5. Step 5: Solve for x
    x = 3,249,000,000/40,012
  6. Step 6: Final answer
    x = 81,200.64

Related Problems

Find third proportional to 20,006 and 28,500
Half scale
Find third proportional to 80,024 and 114,000
Double scale
Find third proportional to 40,014 and 57,003
Similar ratio
Find third proportional to 60,018 and 85,500
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.