Home / 20,496-30,312

Finding the Third Proportional to 20,496 and 30,312

Calculator

Solution

The third proportional to 20,496 and 30,312 is: 44,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496 : 30,312 = 30,312 : x
  2. Step 2: Convert to fraction form
    20,496/30,312 = 30,312/x
  3. Step 3: Cross multiply
    20,496x = 30,312 × 30,312
  4. Step 4: Simplify right side
    20,496x = 918,817,344
  5. Step 5: Solve for x
    x = 918,817,344/20,496
  6. Step 6: Final answer
    x = 44,829.11

Related Problems

Find third proportional to 10,248 and 15,156
Half scale
Find third proportional to 40,992 and 60,624
Double scale
Find third proportional to 20,498 and 30,315
Similar ratio
Find third proportional to 30,744 and 45,468
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.