Home / 66,919-91,763

Finding the Third Proportional to 66,919 and 91,763

Calculator

Solution

The third proportional to 66,919 and 91,763 is: 125,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,919 : 91,763 = 91,763 : x
  2. Step 2: Convert to fraction form
    66,919/91,763 = 91,763/x
  3. Step 3: Cross multiply
    66,919x = 91,763 × 91,763
  4. Step 4: Simplify right side
    66,919x = 8,420,448,169
  5. Step 5: Solve for x
    x = 8,420,448,169/66,919
  6. Step 6: Final answer
    x = 125,830.45

Related Problems

Find third proportional to 33,459.50 and 45,881.50
Half scale
Find third proportional to 133,838 and 183,526
Double scale
Find third proportional to 66,921 and 91,766
Similar ratio
Find third proportional to 100,378.50 and 137,644.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.