Home / 80,910-125,625

Finding the Third Proportional to 80,910 and 125,625

Calculator

Solution

The third proportional to 80,910 and 125,625 is: 195,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,910 : 125,625 = 125,625 : x
  2. Step 2: Convert to fraction form
    80,910/125,625 = 125,625/x
  3. Step 3: Cross multiply
    80,910x = 125,625 × 125,625
  4. Step 4: Simplify right side
    80,910x = 15,781,640,625
  5. Step 5: Solve for x
    x = 15,781,640,625/80,910
  6. Step 6: Final answer
    x = 195,051.79

Related Problems

Find third proportional to 40,455 and 62,812.50
Half scale
Find third proportional to 161,820 and 251,250
Double scale
Find third proportional to 80,912 and 125,628
Similar ratio
Find third proportional to 121,365 and 188,437.50
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.