Home / 30,858-63,902

Finding the Third Proportional to 30,858 and 63,902

Calculator

Solution

The third proportional to 30,858 and 63,902 is: 132,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858 : 63,902 = 63,902 : x
  2. Step 2: Convert to fraction form
    30,858/63,902 = 63,902/x
  3. Step 3: Cross multiply
    30,858x = 63,902 × 63,902
  4. Step 4: Simplify right side
    30,858x = 4,083,465,604
  5. Step 5: Solve for x
    x = 4,083,465,604/30,858
  6. Step 6: Final answer
    x = 132,330.86

Related Problems

Find third proportional to 15,429 and 31,951
Half scale
Find third proportional to 61,716 and 127,804
Double scale
Find third proportional to 30,860 and 63,906
Similar ratio
Find third proportional to 46,287 and 95,853
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.