Home / 18,610-38,206

Finding the Third Proportional to 18,610 and 38,206

Calculator

Solution

The third proportional to 18,610 and 38,206 is: 78,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610 : 38,206 = 38,206 : x
  2. Step 2: Convert to fraction form
    18,610/38,206 = 38,206/x
  3. Step 3: Cross multiply
    18,610x = 38,206 × 38,206
  4. Step 4: Simplify right side
    18,610x = 1,459,698,436
  5. Step 5: Solve for x
    x = 1,459,698,436/18,610
  6. Step 6: Final answer
    x = 78,436.24

Related Problems

Find third proportional to 9,305 and 19,103
Half scale
Find third proportional to 37,220 and 76,412
Double scale
Find third proportional to 18,612 and 38,210
Similar ratio
Find third proportional to 27,915 and 57,309
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.