Home / 7,984-18,840

Finding the Third Proportional to 7,984 and 18,840

Calculator

Solution

The third proportional to 7,984 and 18,840 is: 44,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984 : 18,840 = 18,840 : x
  2. Step 2: Convert to fraction form
    7,984/18,840 = 18,840/x
  3. Step 3: Cross multiply
    7,984x = 18,840 × 18,840
  4. Step 4: Simplify right side
    7,984x = 354,945,600
  5. Step 5: Solve for x
    x = 354,945,600/7,984
  6. Step 6: Final answer
    x = 44,457.11

Related Problems

Find third proportional to 3,992 and 9,420
Half scale
Find third proportional to 15,968 and 37,680
Double scale
Find third proportional to 7,986 and 18,845
Similar ratio
Find third proportional to 11,976 and 28,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.