Home / 8,266-18,278

Finding the Third Proportional to 8,266 and 18,278

Calculator

Solution

The third proportional to 8,266 and 18,278 is: 40,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266 : 18,278 = 18,278 : x
  2. Step 2: Convert to fraction form
    8,266/18,278 = 18,278/x
  3. Step 3: Cross multiply
    8,266x = 18,278 × 18,278
  4. Step 4: Simplify right side
    8,266x = 334,085,284
  5. Step 5: Solve for x
    x = 334,085,284/8,266
  6. Step 6: Final answer
    x = 40,416.80

Related Problems

Find third proportional to 4,133 and 9,139
Half scale
Find third proportional to 16,532 and 36,556
Double scale
Find third proportional to 8,268 and 18,282
Similar ratio
Find third proportional to 12,399 and 27,417
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.