Home / 39,450-85,704

Finding the Third Proportional to 39,450 and 85,704

Calculator

Solution

The third proportional to 39,450 and 85,704 is: 186,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450 : 85,704 = 85,704 : x
  2. Step 2: Convert to fraction form
    39,450/85,704 = 85,704/x
  3. Step 3: Cross multiply
    39,450x = 85,704 × 85,704
  4. Step 4: Simplify right side
    39,450x = 7,345,175,616
  5. Step 5: Solve for x
    x = 7,345,175,616/39,450
  6. Step 6: Final answer
    x = 186,189.50

Related Problems

Find third proportional to 19,725 and 42,852
Half scale
Find third proportional to 78,900 and 171,408
Double scale
Find third proportional to 39,452 and 85,708
Similar ratio
Find third proportional to 59,175 and 128,556
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.