Home / 20,650-45,412

Finding the Third Proportional to 20,650 and 45,412

Calculator

Solution

The third proportional to 20,650 and 45,412 is: 99,866.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650 : 45,412 = 45,412 : x
  2. Step 2: Convert to fraction form
    20,650/45,412 = 45,412/x
  3. Step 3: Cross multiply
    20,650x = 45,412 × 45,412
  4. Step 4: Simplify right side
    20,650x = 2,062,249,744
  5. Step 5: Solve for x
    x = 2,062,249,744/20,650
  6. Step 6: Final answer
    x = 99,866.82

Related Problems

Find third proportional to 10,325 and 22,706
Half scale
Find third proportional to 41,300 and 90,824
Double scale
Find third proportional to 20,652 and 45,416
Similar ratio
Find third proportional to 30,975 and 68,118
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.