Home / 67,318-105,611

Finding the Third Proportional to 67,318 and 105,611

Calculator

Solution

The third proportional to 67,318 and 105,611 is: 165,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,318 : 105,611 = 105,611 : x
  2. Step 2: Convert to fraction form
    67,318/105,611 = 105,611/x
  3. Step 3: Cross multiply
    67,318x = 105,611 × 105,611
  4. Step 4: Simplify right side
    67,318x = 11,153,683,321
  5. Step 5: Solve for x
    x = 11,153,683,321/67,318
  6. Step 6: Final answer
    x = 165,686.49

Related Problems

Find third proportional to 33,659 and 52,805.50
Half scale
Find third proportional to 134,636 and 211,222
Double scale
Find third proportional to 67,320 and 105,614
Similar ratio
Find third proportional to 100,977 and 158,416.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.