Home / 39,852-87,480

Finding the Third Proportional to 39,852 and 87,480

Calculator

Solution

The third proportional to 39,852 and 87,480 is: 192,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852 : 87,480 = 87,480 : x
  2. Step 2: Convert to fraction form
    39,852/87,480 = 87,480/x
  3. Step 3: Cross multiply
    39,852x = 87,480 × 87,480
  4. Step 4: Simplify right side
    39,852x = 7,652,750,400
  5. Step 5: Solve for x
    x = 7,652,750,400/39,852
  6. Step 6: Final answer
    x = 192,029.27

Related Problems

Find third proportional to 19,926 and 43,740
Half scale
Find third proportional to 79,704 and 174,960
Double scale
Find third proportional to 39,854 and 87,484
Similar ratio
Find third proportional to 59,778 and 131,220
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.