Home / 100,428-214,200

Finding the Third Proportional to 100,428 and 214,200

Calculator

Solution

The third proportional to 100,428 and 214,200 is: 456,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,428 : 214,200 = 214,200 : x
  2. Step 2: Convert to fraction form
    100,428/214,200 = 214,200/x
  3. Step 3: Cross multiply
    100,428x = 214,200 × 214,200
  4. Step 4: Simplify right side
    100,428x = 45,881,640,000
  5. Step 5: Solve for x
    x = 45,881,640,000/100,428
  6. Step 6: Final answer
    x = 456,861.03

Related Problems

Find third proportional to 50,214 and 107,100
Half scale
Find third proportional to 200,856 and 428,400
Double scale
Find third proportional to 100,430 and 214,204
Similar ratio
Find third proportional to 150,642 and 321,300
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.