Home / 40,800-61,320

Finding the Third Proportional to 40,800 and 61,320

Calculator

Solution

The third proportional to 40,800 and 61,320 is: 92,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,800 : 61,320 = 61,320 : x
  2. Step 2: Convert to fraction form
    40,800/61,320 = 61,320/x
  3. Step 3: Cross multiply
    40,800x = 61,320 × 61,320
  4. Step 4: Simplify right side
    40,800x = 3,760,142,400
  5. Step 5: Solve for x
    x = 3,760,142,400/40,800
  6. Step 6: Final answer
    x = 92,160.35

Related Problems

Find third proportional to 20,400 and 30,660
Half scale
Find third proportional to 81,600 and 122,640
Double scale
Find third proportional to 40,802 and 61,323
Similar ratio
Find third proportional to 61,200 and 91,980
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.