Home / 87,558-135,207

Finding the Third Proportional to 87,558 and 135,207

Calculator

Solution

The third proportional to 87,558 and 135,207 is: 208,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,558 : 135,207 = 135,207 : x
  2. Step 2: Convert to fraction form
    87,558/135,207 = 135,207/x
  3. Step 3: Cross multiply
    87,558x = 135,207 × 135,207
  4. Step 4: Simplify right side
    87,558x = 18,280,932,849
  5. Step 5: Solve for x
    x = 18,280,932,849/87,558
  6. Step 6: Final answer
    x = 208,786.55

Related Problems

Find third proportional to 43,779 and 67,603.50
Half scale
Find third proportional to 175,116 and 270,414
Double scale
Find third proportional to 87,560 and 135,210
Similar ratio
Find third proportional to 131,337 and 202,810.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.