Home / 17,215-36,480

Finding the Third Proportional to 17,215 and 36,480

Calculator

Solution

The third proportional to 17,215 and 36,480 is: 77,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215 : 36,480 = 36,480 : x
  2. Step 2: Convert to fraction form
    17,215/36,480 = 36,480/x
  3. Step 3: Cross multiply
    17,215x = 36,480 × 36,480
  4. Step 4: Simplify right side
    17,215x = 1,330,790,400
  5. Step 5: Solve for x
    x = 1,330,790,400/17,215
  6. Step 6: Final answer
    x = 77,304.12

Related Problems

Find third proportional to 8,607.50 and 18,240
Half scale
Find third proportional to 34,430 and 72,960
Double scale
Find third proportional to 17,217 and 36,484
Similar ratio
Find third proportional to 25,822.50 and 54,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.