Home / 67,135.50-90,855

Finding the Third Proportional to 67,135.50 and 90,855

Calculator

Solution

The third proportional to 67,135.50 and 90,855 is: 122,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,135.50 : 90,855 = 90,855 : x
  2. Step 2: Convert to fraction form
    67,135.50/90,855 = 90,855/x
  3. Step 3: Cross multiply
    67,135.50x = 90,855 × 90,855
  4. Step 4: Simplify right side
    67,135.50x = 8,254,631,025
  5. Step 5: Solve for x
    x = 8,254,631,025/67,135.50
  6. Step 6: Final answer
    x = 122,954.79

Related Problems

Find third proportional to 33,567.75 and 45,427.50
Half scale
Find third proportional to 134,271 and 181,710
Double scale
Find third proportional to 67,138 and 90,858
Similar ratio
Find third proportional to 100,703.25 and 136,282.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.