Home / 40,392-86,400

Finding the Third Proportional to 40,392 and 86,400

Calculator

Solution

The third proportional to 40,392 and 86,400 is: 184,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392 : 86,400 = 86,400 : x
  2. Step 2: Convert to fraction form
    40,392/86,400 = 86,400/x
  3. Step 3: Cross multiply
    40,392x = 86,400 × 86,400
  4. Step 4: Simplify right side
    40,392x = 7,464,960,000
  5. Step 5: Solve for x
    x = 7,464,960,000/40,392
  6. Step 6: Final answer
    x = 184,812.83

Related Problems

Find third proportional to 20,196 and 43,200
Half scale
Find third proportional to 80,784 and 172,800
Double scale
Find third proportional to 40,394 and 86,404
Similar ratio
Find third proportional to 60,588 and 129,600
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.