Home / 30,280-65,812

Finding the Third Proportional to 30,280 and 65,812

Calculator

Solution

The third proportional to 30,280 and 65,812 is: 143,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280 : 65,812 = 65,812 : x
  2. Step 2: Convert to fraction form
    30,280/65,812 = 65,812/x
  3. Step 3: Cross multiply
    30,280x = 65,812 × 65,812
  4. Step 4: Simplify right side
    30,280x = 4,331,219,344
  5. Step 5: Solve for x
    x = 4,331,219,344/30,280
  6. Step 6: Final answer
    x = 143,038.95

Related Problems

Find third proportional to 15,140 and 32,906
Half scale
Find third proportional to 60,560 and 131,624
Double scale
Find third proportional to 30,282 and 65,816
Similar ratio
Find third proportional to 45,420 and 98,718
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.