Home / 7,988-18,458

Finding the Third Proportional to 7,988 and 18,458

Calculator

Solution

The third proportional to 7,988 and 18,458 is: 42,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988 : 18,458 = 18,458 : x
  2. Step 2: Convert to fraction form
    7,988/18,458 = 18,458/x
  3. Step 3: Cross multiply
    7,988x = 18,458 × 18,458
  4. Step 4: Simplify right side
    7,988x = 340,697,764
  5. Step 5: Solve for x
    x = 340,697,764/7,988
  6. Step 6: Final answer
    x = 42,651.20

Related Problems

Find third proportional to 3,994 and 9,229
Half scale
Find third proportional to 15,976 and 36,916
Double scale
Find third proportional to 7,990 and 18,463
Similar ratio
Find third proportional to 11,982 and 27,687
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.