Home / 19,080-39,902

Finding the Third Proportional to 19,080 and 39,902

Calculator

Solution

The third proportional to 19,080 and 39,902 is: 83,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080 : 39,902 = 39,902 : x
  2. Step 2: Convert to fraction form
    19,080/39,902 = 39,902/x
  3. Step 3: Cross multiply
    19,080x = 39,902 × 39,902
  4. Step 4: Simplify right side
    19,080x = 1,592,169,604
  5. Step 5: Solve for x
    x = 1,592,169,604/19,080
  6. Step 6: Final answer
    x = 83,447.04

Related Problems

Find third proportional to 9,540 and 19,951
Half scale
Find third proportional to 38,160 and 79,804
Double scale
Find third proportional to 19,082 and 39,906
Similar ratio
Find third proportional to 28,620 and 59,853
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.