Home / 82,215-122,989.50

Finding the Third Proportional to 82,215 and 122,989.50

Calculator

Solution

The third proportional to 82,215 and 122,989.50 is: 183,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,215 : 122,989.50 = 122,989.50 : x
  2. Step 2: Convert to fraction form
    82,215/122,989.50 = 122,989.50/x
  3. Step 3: Cross multiply
    82,215x = 122,989.50 × 122,989.50
  4. Step 4: Simplify right side
    82,215x = 15,126,417,110.25
  5. Step 5: Solve for x
    x = 15,126,417,110.25/82,215
  6. Step 6: Final answer
    x = 183,986.10

Related Problems

Find third proportional to 41,107.50 and 61,494.75
Half scale
Find third proportional to 164,430 and 245,979
Double scale
Find third proportional to 82,217 and 122,992
Similar ratio
Find third proportional to 123,322.50 and 184,484.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.