Home / 47,121-102,420

Finding the Third Proportional to 47,121 and 102,420

Calculator

Solution

The third proportional to 47,121 and 102,420 is: 222,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121 : 102,420 = 102,420 : x
  2. Step 2: Convert to fraction form
    47,121/102,420 = 102,420/x
  3. Step 3: Cross multiply
    47,121x = 102,420 × 102,420
  4. Step 4: Simplify right side
    47,121x = 10,489,856,400
  5. Step 5: Solve for x
    x = 10,489,856,400/47,121
  6. Step 6: Final answer
    x = 222,615.32

Related Problems

Find third proportional to 23,560.50 and 51,210
Half scale
Find third proportional to 94,242 and 204,840
Double scale
Find third proportional to 47,123 and 102,424
Similar ratio
Find third proportional to 70,681.50 and 153,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.