Home / 15,648-36,915

Finding the Third Proportional to 15,648 and 36,915

Calculator

Solution

The third proportional to 15,648 and 36,915 is: 87,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648 : 36,915 = 36,915 : x
  2. Step 2: Convert to fraction form
    15,648/36,915 = 36,915/x
  3. Step 3: Cross multiply
    15,648x = 36,915 × 36,915
  4. Step 4: Simplify right side
    15,648x = 1,362,717,225
  5. Step 5: Solve for x
    x = 1,362,717,225/15,648
  6. Step 6: Final answer
    x = 87,085.71

Related Problems

Find third proportional to 7,824 and 18,457.50
Half scale
Find third proportional to 31,296 and 73,830
Double scale
Find third proportional to 15,650 and 36,920
Similar ratio
Find third proportional to 23,472 and 55,372.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.