Home / 7,986-18,655.50

Finding the Third Proportional to 7,986 and 18,655.50

Calculator

Solution

The third proportional to 7,986 and 18,655.50 is: 43,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986 : 18,655.50 = 18,655.50 : x
  2. Step 2: Convert to fraction form
    7,986/18,655.50 = 18,655.50/x
  3. Step 3: Cross multiply
    7,986x = 18,655.50 × 18,655.50
  4. Step 4: Simplify right side
    7,986x = 348,027,680.25
  5. Step 5: Solve for x
    x = 348,027,680.25/7,986
  6. Step 6: Final answer
    x = 43,579.72

Related Problems

Find third proportional to 3,993 and 9,327.75
Half scale
Find third proportional to 15,972 and 37,311
Double scale
Find third proportional to 7,988 and 18,660
Similar ratio
Find third proportional to 11,979 and 27,983.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.