Home / 66,207-135,330

Finding the Third Proportional to 66,207 and 135,330

Calculator

Solution

The third proportional to 66,207 and 135,330 is: 276,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207 : 135,330 = 135,330 : x
  2. Step 2: Convert to fraction form
    66,207/135,330 = 135,330/x
  3. Step 3: Cross multiply
    66,207x = 135,330 × 135,330
  4. Step 4: Simplify right side
    66,207x = 18,314,208,900
  5. Step 5: Solve for x
    x = 18,314,208,900/66,207
  6. Step 6: Final answer
    x = 276,620.43

Related Problems

Find third proportional to 33,103.50 and 67,665
Half scale
Find third proportional to 132,414 and 270,660
Double scale
Find third proportional to 66,209 and 135,334
Similar ratio
Find third proportional to 99,310.50 and 202,995
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.