Home / 30,478-40,452

Finding the Third Proportional to 30,478 and 40,452

Calculator

Solution

The third proportional to 30,478 and 40,452 is: 53,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478 : 40,452 = 40,452 : x
  2. Step 2: Convert to fraction form
    30,478/40,452 = 40,452/x
  3. Step 3: Cross multiply
    30,478x = 40,452 × 40,452
  4. Step 4: Simplify right side
    30,478x = 1,636,364,304
  5. Step 5: Solve for x
    x = 1,636,364,304/30,478
  6. Step 6: Final answer
    x = 53,690.02

Related Problems

Find third proportional to 15,239 and 20,226
Half scale
Find third proportional to 60,956 and 80,904
Double scale
Find third proportional to 30,480 and 40,455
Similar ratio
Find third proportional to 45,717 and 60,678
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.