Home / 37,428-80,400

Finding the Third Proportional to 37,428 and 80,400

Calculator

Solution

The third proportional to 37,428 and 80,400 is: 172,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428 : 80,400 = 80,400 : x
  2. Step 2: Convert to fraction form
    37,428/80,400 = 80,400/x
  3. Step 3: Cross multiply
    37,428x = 80,400 × 80,400
  4. Step 4: Simplify right side
    37,428x = 6,464,160,000
  5. Step 5: Solve for x
    x = 6,464,160,000/37,428
  6. Step 6: Final answer
    x = 172,709.20

Related Problems

Find third proportional to 18,714 and 40,200
Half scale
Find third proportional to 74,856 and 160,800
Double scale
Find third proportional to 37,430 and 80,404
Similar ratio
Find third proportional to 56,142 and 120,600
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.