Home / 15,272-17,480

Finding the Third Proportional to 15,272 and 17,480

Calculator

Solution

The third proportional to 15,272 and 17,480 is: 20,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272 : 17,480 = 17,480 : x
  2. Step 2: Convert to fraction form
    15,272/17,480 = 17,480/x
  3. Step 3: Cross multiply
    15,272x = 17,480 × 17,480
  4. Step 4: Simplify right side
    15,272x = 305,550,400
  5. Step 5: Solve for x
    x = 305,550,400/15,272
  6. Step 6: Final answer
    x = 20,007.23

Related Problems

Find third proportional to 7,636 and 8,740
Half scale
Find third proportional to 30,544 and 34,960
Double scale
Find third proportional to 15,274 and 17,482
Similar ratio
Find third proportional to 22,908 and 26,220
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.