Home / 69,258-108,486

Finding the Third Proportional to 69,258 and 108,486

Calculator

Solution

The third proportional to 69,258 and 108,486 is: 169,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,258 : 108,486 = 108,486 : x
  2. Step 2: Convert to fraction form
    69,258/108,486 = 108,486/x
  3. Step 3: Cross multiply
    69,258x = 108,486 × 108,486
  4. Step 4: Simplify right side
    69,258x = 11,769,212,196
  5. Step 5: Solve for x
    x = 11,769,212,196/69,258
  6. Step 6: Final answer
    x = 169,932.89

Related Problems

Find third proportional to 34,629 and 54,243
Half scale
Find third proportional to 138,516 and 216,972
Double scale
Find third proportional to 69,260 and 108,489
Similar ratio
Find third proportional to 103,887 and 162,729
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.