Home / 30,290-45,981

Finding the Third Proportional to 30,290 and 45,981

Calculator

Solution

The third proportional to 30,290 and 45,981 is: 69,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290 : 45,981 = 45,981 : x
  2. Step 2: Convert to fraction form
    30,290/45,981 = 45,981/x
  3. Step 3: Cross multiply
    30,290x = 45,981 × 45,981
  4. Step 4: Simplify right side
    30,290x = 2,114,252,361
  5. Step 5: Solve for x
    x = 2,114,252,361/30,290
  6. Step 6: Final answer
    x = 69,800.34

Related Problems

Find third proportional to 15,145 and 22,990.50
Half scale
Find third proportional to 60,580 and 91,962
Double scale
Find third proportional to 30,292 and 45,984
Similar ratio
Find third proportional to 45,435 and 68,971.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.