Home / 30,452-45,678

Finding the Third Proportional to 30,452 and 45,678

Calculator

Solution

The third proportional to 30,452 and 45,678 is: 68,517

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452 : 45,678 = 45,678 : x
  2. Step 2: Convert to fraction form
    30,452/45,678 = 45,678/x
  3. Step 3: Cross multiply
    30,452x = 45,678 × 45,678
  4. Step 4: Simplify right side
    30,452x = 2,086,479,684
  5. Step 5: Solve for x
    x = 2,086,479,684/30,452
  6. Step 6: Final answer
    x = 68,517

Related Problems

Find third proportional to 15,226 and 22,839
Half scale
Find third proportional to 60,904 and 91,356
Double scale
Find third proportional to 30,454 and 45,681
Similar ratio
Find third proportional to 45,678 and 68,517
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.