Home / 18,475-40,838

Finding the Third Proportional to 18,475 and 40,838

Calculator

Solution

The third proportional to 18,475 and 40,838 is: 90,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475 : 40,838 = 40,838 : x
  2. Step 2: Convert to fraction form
    18,475/40,838 = 40,838/x
  3. Step 3: Cross multiply
    18,475x = 40,838 × 40,838
  4. Step 4: Simplify right side
    18,475x = 1,667,742,244
  5. Step 5: Solve for x
    x = 1,667,742,244/18,475
  6. Step 6: Final answer
    x = 90,270.22

Related Problems

Find third proportional to 9,237.50 and 20,419
Half scale
Find third proportional to 36,950 and 81,676
Double scale
Find third proportional to 18,477 and 40,842
Similar ratio
Find third proportional to 27,712.50 and 61,257
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.