Home / 66,150-142,668

Finding the Third Proportional to 66,150 and 142,668

Calculator

Solution

The third proportional to 66,150 and 142,668 is: 307,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150 : 142,668 = 142,668 : x
  2. Step 2: Convert to fraction form
    66,150/142,668 = 142,668/x
  3. Step 3: Cross multiply
    66,150x = 142,668 × 142,668
  4. Step 4: Simplify right side
    66,150x = 20,354,158,224
  5. Step 5: Solve for x
    x = 20,354,158,224/66,150
  6. Step 6: Final answer
    x = 307,697.03

Related Problems

Find third proportional to 33,075 and 71,334
Half scale
Find third proportional to 132,300 and 285,336
Double scale
Find third proportional to 66,152 and 142,672
Similar ratio
Find third proportional to 99,225 and 214,002
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.