Home / 30,442-66,716

Finding the Third Proportional to 30,442 and 66,716

Calculator

Solution

The third proportional to 30,442 and 66,716 is: 146,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,442 : 66,716 = 66,716 : x
  2. Step 2: Convert to fraction form
    30,442/66,716 = 66,716/x
  3. Step 3: Cross multiply
    30,442x = 66,716 × 66,716
  4. Step 4: Simplify right side
    30,442x = 4,451,024,656
  5. Step 5: Solve for x
    x = 4,451,024,656/30,442
  6. Step 6: Final answer
    x = 146,213.28

Related Problems

Find third proportional to 15,221 and 33,358
Half scale
Find third proportional to 60,884 and 133,432
Double scale
Find third proportional to 30,444 and 66,720
Similar ratio
Find third proportional to 45,663 and 100,074
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.