Home / 18,320-27,873

Finding the Third Proportional to 18,320 and 27,873

Calculator

Solution

The third proportional to 18,320 and 27,873 is: 42,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320 : 27,873 = 27,873 : x
  2. Step 2: Convert to fraction form
    18,320/27,873 = 27,873/x
  3. Step 3: Cross multiply
    18,320x = 27,873 × 27,873
  4. Step 4: Simplify right side
    18,320x = 776,904,129
  5. Step 5: Solve for x
    x = 776,904,129/18,320
  6. Step 6: Final answer
    x = 42,407.43

Related Problems

Find third proportional to 9,160 and 13,936.50
Half scale
Find third proportional to 36,640 and 55,746
Double scale
Find third proportional to 18,322 and 27,876
Similar ratio
Find third proportional to 27,480 and 41,809.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.