Home / 87,258-189,966

Finding the Third Proportional to 87,258 and 189,966

Calculator

Solution

The third proportional to 87,258 and 189,966 is: 413,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,258 : 189,966 = 189,966 : x
  2. Step 2: Convert to fraction form
    87,258/189,966 = 189,966/x
  3. Step 3: Cross multiply
    87,258x = 189,966 × 189,966
  4. Step 4: Simplify right side
    87,258x = 36,087,081,156
  5. Step 5: Solve for x
    x = 36,087,081,156/87,258
  6. Step 6: Final answer
    x = 413,567.59

Related Problems

Find third proportional to 43,629 and 94,983
Half scale
Find third proportional to 174,516 and 379,932
Double scale
Find third proportional to 87,260 and 189,970
Similar ratio
Find third proportional to 130,887 and 284,949
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.