Home / 51,812-68,771.50

Finding the Third Proportional to 51,812 and 68,771.50

Calculator

Solution

The third proportional to 51,812 and 68,771.50 is: 91,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812 : 68,771.50 = 68,771.50 : x
  2. Step 2: Convert to fraction form
    51,812/68,771.50 = 68,771.50/x
  3. Step 3: Cross multiply
    51,812x = 68,771.50 × 68,771.50
  4. Step 4: Simplify right side
    51,812x = 4,729,519,212.25
  5. Step 5: Solve for x
    x = 4,729,519,212.25/51,812
  6. Step 6: Final answer
    x = 91,282.31

Related Problems

Find third proportional to 25,906 and 34,385.75
Half scale
Find third proportional to 103,624 and 137,543
Double scale
Find third proportional to 51,814 and 68,774
Similar ratio
Find third proportional to 77,718 and 103,157.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.