Home / 20,864-31,476

Finding the Third Proportional to 20,864 and 31,476

Calculator

Solution

The third proportional to 20,864 and 31,476 is: 47,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864 : 31,476 = 31,476 : x
  2. Step 2: Convert to fraction form
    20,864/31,476 = 31,476/x
  3. Step 3: Cross multiply
    20,864x = 31,476 × 31,476
  4. Step 4: Simplify right side
    20,864x = 990,738,576
  5. Step 5: Solve for x
    x = 990,738,576/20,864
  6. Step 6: Final answer
    x = 47,485.55

Related Problems

Find third proportional to 10,432 and 15,738
Half scale
Find third proportional to 41,728 and 62,952
Double scale
Find third proportional to 20,866 and 31,479
Similar ratio
Find third proportional to 31,296 and 47,214
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.