Home / 12,396-22,920

Finding the Third Proportional to 12,396 and 22,920

Calculator

Solution

The third proportional to 12,396 and 22,920 is: 42,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396 : 22,920 = 22,920 : x
  2. Step 2: Convert to fraction form
    12,396/22,920 = 22,920/x
  3. Step 3: Cross multiply
    12,396x = 22,920 × 22,920
  4. Step 4: Simplify right side
    12,396x = 525,326,400
  5. Step 5: Solve for x
    x = 525,326,400/12,396
  6. Step 6: Final answer
    x = 42,378.70

Related Problems

Find third proportional to 6,198 and 11,460
Half scale
Find third proportional to 24,792 and 45,840
Double scale
Find third proportional to 12,398 and 22,924
Similar ratio
Find third proportional to 18,594 and 34,380
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.