Home / 17,631-36,720

Finding the Third Proportional to 17,631 and 36,720

Calculator

Solution

The third proportional to 17,631 and 36,720 is: 76,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631 : 36,720 = 36,720 : x
  2. Step 2: Convert to fraction form
    17,631/36,720 = 36,720/x
  3. Step 3: Cross multiply
    17,631x = 36,720 × 36,720
  4. Step 4: Simplify right side
    17,631x = 1,348,358,400
  5. Step 5: Solve for x
    x = 1,348,358,400/17,631
  6. Step 6: Final answer
    x = 76,476.57

Related Problems

Find third proportional to 8,815.50 and 18,360
Half scale
Find third proportional to 35,262 and 73,440
Double scale
Find third proportional to 17,633 and 36,724
Similar ratio
Find third proportional to 26,446.50 and 55,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.