Home / 17,178-27,221

Finding the Third Proportional to 17,178 and 27,221

Calculator

Solution

The third proportional to 17,178 and 27,221 is: 43,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178 : 27,221 = 27,221 : x
  2. Step 2: Convert to fraction form
    17,178/27,221 = 27,221/x
  3. Step 3: Cross multiply
    17,178x = 27,221 × 27,221
  4. Step 4: Simplify right side
    17,178x = 740,982,841
  5. Step 5: Solve for x
    x = 740,982,841/17,178
  6. Step 6: Final answer
    x = 43,135.57

Related Problems

Find third proportional to 8,589 and 13,610.50
Half scale
Find third proportional to 34,356 and 54,442
Double scale
Find third proportional to 17,180 and 27,224
Similar ratio
Find third proportional to 25,767 and 40,831.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.