Home / 15,988-18,760

Finding the Third Proportional to 15,988 and 18,760

Calculator

Solution

The third proportional to 15,988 and 18,760 is: 22,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988 : 18,760 = 18,760 : x
  2. Step 2: Convert to fraction form
    15,988/18,760 = 18,760/x
  3. Step 3: Cross multiply
    15,988x = 18,760 × 18,760
  4. Step 4: Simplify right side
    15,988x = 351,937,600
  5. Step 5: Solve for x
    x = 351,937,600/15,988
  6. Step 6: Final answer
    x = 22,012.61

Related Problems

Find third proportional to 7,994 and 9,380
Half scale
Find third proportional to 31,976 and 37,520
Double scale
Find third proportional to 15,990 and 18,762
Similar ratio
Find third proportional to 23,982 and 28,140
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.