Home / 900.28-1,209.94

Finding the Third Proportional to 900.28 and 1,209.94

Calculator

Solution

The third proportional to 900.28 and 1,209.94 is: 1,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.28 : 1,209.94 = 1,209.94 : x
  2. Step 2: Convert to fraction form
    900.28/1,209.94 = 1,209.94/x
  3. Step 3: Cross multiply
    900.28x = 1,209.94 × 1,209.94
  4. Step 4: Simplify right side
    900.28x = 1,463,948.75
  5. Step 5: Solve for x
    x = 1,463,948.75/900.28
  6. Step 6: Final answer
    x = 1,626.10

Related Problems

Find third proportional to 450.14 and 604.97
Half scale
Find third proportional to 1,800.56 and 2,419.88
Double scale
Find third proportional to 902 and 1,213
Similar ratio
Find third proportional to 1,350.42 and 1,814.91
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.