Home / 87,866-136,173

Finding the Third Proportional to 87,866 and 136,173

Calculator

Solution

The third proportional to 87,866 and 136,173 is: 211,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,866 : 136,173 = 136,173 : x
  2. Step 2: Convert to fraction form
    87,866/136,173 = 136,173/x
  3. Step 3: Cross multiply
    87,866x = 136,173 × 136,173
  4. Step 4: Simplify right side
    87,866x = 18,543,085,929
  5. Step 5: Solve for x
    x = 18,543,085,929/87,866
  6. Step 6: Final answer
    x = 211,038.24

Related Problems

Find third proportional to 43,933 and 68,086.50
Half scale
Find third proportional to 175,732 and 272,346
Double scale
Find third proportional to 87,868 and 136,176
Similar ratio
Find third proportional to 131,799 and 204,259.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.