Home / 8,115-17,625

Finding the Third Proportional to 8,115 and 17,625

Calculator

Solution

The third proportional to 8,115 and 17,625 is: 38,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115 : 17,625 = 17,625 : x
  2. Step 2: Convert to fraction form
    8,115/17,625 = 17,625/x
  3. Step 3: Cross multiply
    8,115x = 17,625 × 17,625
  4. Step 4: Simplify right side
    8,115x = 310,640,625
  5. Step 5: Solve for x
    x = 310,640,625/8,115
  6. Step 6: Final answer
    x = 38,279.81

Related Problems

Find third proportional to 4,057.50 and 8,812.50
Half scale
Find third proportional to 16,230 and 35,250
Double scale
Find third proportional to 8,117 and 17,629
Similar ratio
Find third proportional to 12,172.50 and 26,437.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.