Home / 15,160-20,896

Finding the Third Proportional to 15,160 and 20,896

Calculator

Solution

The third proportional to 15,160 and 20,896 is: 28,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,160 : 20,896 = 20,896 : x
  2. Step 2: Convert to fraction form
    15,160/20,896 = 20,896/x
  3. Step 3: Cross multiply
    15,160x = 20,896 × 20,896
  4. Step 4: Simplify right side
    15,160x = 436,642,816
  5. Step 5: Solve for x
    x = 436,642,816/15,160
  6. Step 6: Final answer
    x = 28,802.30

Related Problems

Find third proportional to 7,580 and 10,448
Half scale
Find third proportional to 30,320 and 41,792
Double scale
Find third proportional to 15,162 and 20,899
Similar ratio
Find third proportional to 22,740 and 31,344
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.