Home / 30,886-66,452

Finding the Third Proportional to 30,886 and 66,452

Calculator

Solution

The third proportional to 30,886 and 66,452 is: 142,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886 : 66,452 = 66,452 : x
  2. Step 2: Convert to fraction form
    30,886/66,452 = 66,452/x
  3. Step 3: Cross multiply
    30,886x = 66,452 × 66,452
  4. Step 4: Simplify right side
    30,886x = 4,415,868,304
  5. Step 5: Solve for x
    x = 4,415,868,304/30,886
  6. Step 6: Final answer
    x = 142,973.14

Related Problems

Find third proportional to 15,443 and 33,226
Half scale
Find third proportional to 61,772 and 132,904
Double scale
Find third proportional to 30,888 and 66,456
Similar ratio
Find third proportional to 46,329 and 99,678
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.