Home / 66,422-99,706

Finding the Third Proportional to 66,422 and 99,706

Calculator

Solution

The third proportional to 66,422 and 99,706 is: 149,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,422 : 99,706 = 99,706 : x
  2. Step 2: Convert to fraction form
    66,422/99,706 = 99,706/x
  3. Step 3: Cross multiply
    66,422x = 99,706 × 99,706
  4. Step 4: Simplify right side
    66,422x = 9,941,286,436
  5. Step 5: Solve for x
    x = 9,941,286,436/66,422
  6. Step 6: Final answer
    x = 149,668.58

Related Problems

Find third proportional to 33,211 and 49,853
Half scale
Find third proportional to 132,844 and 199,412
Double scale
Find third proportional to 66,424 and 99,709
Similar ratio
Find third proportional to 99,633 and 149,559
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.