Home / 42,814-68,185

Finding the Third Proportional to 42,814 and 68,185

Calculator

Solution

The third proportional to 42,814 and 68,185 is: 108,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,814 : 68,185 = 68,185 : x
  2. Step 2: Convert to fraction form
    42,814/68,185 = 68,185/x
  3. Step 3: Cross multiply
    42,814x = 68,185 × 68,185
  4. Step 4: Simplify right side
    42,814x = 4,649,194,225
  5. Step 5: Solve for x
    x = 4,649,194,225/42,814
  6. Step 6: Final answer
    x = 108,590.51

Related Problems

Find third proportional to 21,407 and 34,092.50
Half scale
Find third proportional to 85,628 and 136,370
Double scale
Find third proportional to 42,816 and 68,188
Similar ratio
Find third proportional to 64,221 and 102,277.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.