Home / 836.72-1,242.14

Finding the Third Proportional to 836.72 and 1,242.14

Calculator

Solution

The third proportional to 836.72 and 1,242.14 is: 1,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.72 : 1,242.14 = 1,242.14 : x
  2. Step 2: Convert to fraction form
    836.72/1,242.14 = 1,242.14/x
  3. Step 3: Cross multiply
    836.72x = 1,242.14 × 1,242.14
  4. Step 4: Simplify right side
    836.72x = 1,542,913.33
  5. Step 5: Solve for x
    x = 1,542,913.33/836.72
  6. Step 6: Final answer
    x = 1,844.00

Related Problems

Find third proportional to 418.36 and 621.07
Half scale
Find third proportional to 1,673.44 and 2,484.28
Double scale
Find third proportional to 839 and 1,245
Similar ratio
Find third proportional to 1,255.08 and 1,863.21
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.