Home / 87,588-135,270

Finding the Third Proportional to 87,588 and 135,270

Calculator

Solution

The third proportional to 87,588 and 135,270 is: 208,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,588 : 135,270 = 135,270 : x
  2. Step 2: Convert to fraction form
    87,588/135,270 = 135,270/x
  3. Step 3: Cross multiply
    87,588x = 135,270 × 135,270
  4. Step 4: Simplify right side
    87,588x = 18,297,972,900
  5. Step 5: Solve for x
    x = 18,297,972,900/87,588
  6. Step 6: Final answer
    x = 208,909.59

Related Problems

Find third proportional to 43,794 and 67,635
Half scale
Find third proportional to 175,176 and 270,540
Double scale
Find third proportional to 87,590 and 135,273
Similar ratio
Find third proportional to 131,382 and 202,905
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.