Home / 18,928-40,736

Finding the Third Proportional to 18,928 and 40,736

Calculator

Solution

The third proportional to 18,928 and 40,736 is: 87,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928 : 40,736 = 40,736 : x
  2. Step 2: Convert to fraction form
    18,928/40,736 = 40,736/x
  3. Step 3: Cross multiply
    18,928x = 40,736 × 40,736
  4. Step 4: Simplify right side
    18,928x = 1,659,421,696
  5. Step 5: Solve for x
    x = 1,659,421,696/18,928
  6. Step 6: Final answer
    x = 87,670.21

Related Problems

Find third proportional to 9,464 and 20,368
Half scale
Find third proportional to 37,856 and 81,472
Double scale
Find third proportional to 18,930 and 40,740
Similar ratio
Find third proportional to 28,392 and 61,104
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.