Home / 20,776-31,190

Finding the Third Proportional to 20,776 and 31,190

Calculator

Solution

The third proportional to 20,776 and 31,190 is: 46,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776 : 31,190 = 31,190 : x
  2. Step 2: Convert to fraction form
    20,776/31,190 = 31,190/x
  3. Step 3: Cross multiply
    20,776x = 31,190 × 31,190
  4. Step 4: Simplify right side
    20,776x = 972,816,100
  5. Step 5: Solve for x
    x = 972,816,100/20,776
  6. Step 6: Final answer
    x = 46,824.03

Related Problems

Find third proportional to 10,388 and 15,595
Half scale
Find third proportional to 41,552 and 62,380
Double scale
Find third proportional to 20,778 and 31,193
Similar ratio
Find third proportional to 31,164 and 46,785
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.