Home / 15,424-31,941

Finding the Third Proportional to 15,424 and 31,941

Calculator

Solution

The third proportional to 15,424 and 31,941 is: 66,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424 : 31,941 = 31,941 : x
  2. Step 2: Convert to fraction form
    15,424/31,941 = 31,941/x
  3. Step 3: Cross multiply
    15,424x = 31,941 × 31,941
  4. Step 4: Simplify right side
    15,424x = 1,020,227,481
  5. Step 5: Solve for x
    x = 1,020,227,481/15,424
  6. Step 6: Final answer
    x = 66,145.45

Related Problems

Find third proportional to 7,712 and 15,970.50
Half scale
Find third proportional to 30,848 and 63,882
Double scale
Find third proportional to 15,426 and 31,945
Similar ratio
Find third proportional to 23,136 and 47,911.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.