Home / 18,842-27,686

Finding the Third Proportional to 18,842 and 27,686

Calculator

Solution

The third proportional to 18,842 and 27,686 is: 40,681.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842 : 27,686 = 27,686 : x
  2. Step 2: Convert to fraction form
    18,842/27,686 = 27,686/x
  3. Step 3: Cross multiply
    18,842x = 27,686 × 27,686
  4. Step 4: Simplify right side
    18,842x = 766,514,596
  5. Step 5: Solve for x
    x = 766,514,596/18,842
  6. Step 6: Final answer
    x = 40,681.17

Related Problems

Find third proportional to 9,421 and 13,843
Half scale
Find third proportional to 37,684 and 55,372
Double scale
Find third proportional to 18,844 and 27,689
Similar ratio
Find third proportional to 28,263 and 41,529
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.