Home / 19,170-40,824

Finding the Third Proportional to 19,170 and 40,824

Calculator

Solution

The third proportional to 19,170 and 40,824 is: 86,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170 : 40,824 = 40,824 : x
  2. Step 2: Convert to fraction form
    19,170/40,824 = 40,824/x
  3. Step 3: Cross multiply
    19,170x = 40,824 × 40,824
  4. Step 4: Simplify right side
    19,170x = 1,666,598,976
  5. Step 5: Solve for x
    x = 1,666,598,976/19,170
  6. Step 6: Final answer
    x = 86,937.87

Related Problems

Find third proportional to 9,585 and 20,412
Half scale
Find third proportional to 38,340 and 81,648
Double scale
Find third proportional to 19,172 and 40,828
Similar ratio
Find third proportional to 28,755 and 61,236
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.