Home / 7,988-18,786

Finding the Third Proportional to 7,988 and 18,786

Calculator

Solution

The third proportional to 7,988 and 18,786 is: 44,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988 : 18,786 = 18,786 : x
  2. Step 2: Convert to fraction form
    7,988/18,786 = 18,786/x
  3. Step 3: Cross multiply
    7,988x = 18,786 × 18,786
  4. Step 4: Simplify right side
    7,988x = 352,913,796
  5. Step 5: Solve for x
    x = 352,913,796/7,988
  6. Step 6: Final answer
    x = 44,180.50

Related Problems

Find third proportional to 3,994 and 9,393
Half scale
Find third proportional to 15,976 and 37,572
Double scale
Find third proportional to 7,990 and 18,791
Similar ratio
Find third proportional to 11,982 and 28,179
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.