Home / 18,712-39,160

Finding the Third Proportional to 18,712 and 39,160

Calculator

Solution

The third proportional to 18,712 and 39,160 is: 81,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712 : 39,160 = 39,160 : x
  2. Step 2: Convert to fraction form
    18,712/39,160 = 39,160/x
  3. Step 3: Cross multiply
    18,712x = 39,160 × 39,160
  4. Step 4: Simplify right side
    18,712x = 1,533,505,600
  5. Step 5: Solve for x
    x = 1,533,505,600/18,712
  6. Step 6: Final answer
    x = 81,953.06

Related Problems

Find third proportional to 9,356 and 19,580
Half scale
Find third proportional to 37,424 and 78,320
Double scale
Find third proportional to 18,714 and 39,164
Similar ratio
Find third proportional to 28,068 and 58,740
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.