Home / 19,270-39,830

Finding the Third Proportional to 19,270 and 39,830

Calculator

Solution

The third proportional to 19,270 and 39,830 is: 82,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270 : 39,830 = 39,830 : x
  2. Step 2: Convert to fraction form
    19,270/39,830 = 39,830/x
  3. Step 3: Cross multiply
    19,270x = 39,830 × 39,830
  4. Step 4: Simplify right side
    19,270x = 1,586,428,900
  5. Step 5: Solve for x
    x = 1,586,428,900/19,270
  6. Step 6: Final answer
    x = 82,326.36

Related Problems

Find third proportional to 9,635 and 19,915
Half scale
Find third proportional to 38,540 and 79,660
Double scale
Find third proportional to 19,272 and 39,834
Similar ratio
Find third proportional to 28,905 and 59,745
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.