Home / 38,880-84,060

Finding the Third Proportional to 38,880 and 84,060

Calculator

Solution

The third proportional to 38,880 and 84,060 is: 181,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880 : 84,060 = 84,060 : x
  2. Step 2: Convert to fraction form
    38,880/84,060 = 84,060/x
  3. Step 3: Cross multiply
    38,880x = 84,060 × 84,060
  4. Step 4: Simplify right side
    38,880x = 7,066,083,600
  5. Step 5: Solve for x
    x = 7,066,083,600/38,880
  6. Step 6: Final answer
    x = 181,740.83

Related Problems

Find third proportional to 19,440 and 42,030
Half scale
Find third proportional to 77,760 and 168,120
Double scale
Find third proportional to 38,882 and 84,064
Similar ratio
Find third proportional to 58,320 and 126,090
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.