Home / 18,856-40,994

Finding the Third Proportional to 18,856 and 40,994

Calculator

Solution

The third proportional to 18,856 and 40,994 is: 89,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856 : 40,994 = 40,994 : x
  2. Step 2: Convert to fraction form
    18,856/40,994 = 40,994/x
  3. Step 3: Cross multiply
    18,856x = 40,994 × 40,994
  4. Step 4: Simplify right side
    18,856x = 1,680,508,036
  5. Step 5: Solve for x
    x = 1,680,508,036/18,856
  6. Step 6: Final answer
    x = 89,123.25

Related Problems

Find third proportional to 9,428 and 20,497
Half scale
Find third proportional to 37,712 and 81,988
Double scale
Find third proportional to 18,858 and 40,998
Similar ratio
Find third proportional to 28,284 and 61,491
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.