Home / 398,794-612,972

Finding the Third Proportional to 398,794 and 612,972

Calculator

Solution

The third proportional to 398,794 and 612,972 is: 942,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,794 : 612,972 = 612,972 : x
  2. Step 2: Convert to fraction form
    398,794/612,972 = 612,972/x
  3. Step 3: Cross multiply
    398,794x = 612,972 × 612,972
  4. Step 4: Simplify right side
    398,794x = 375,734,672,784
  5. Step 5: Solve for x
    x = 375,734,672,784/398,794
  6. Step 6: Final answer
    x = 942,177.35

Related Problems

Find third proportional to 199,397 and 306,486
Half scale
Find third proportional to 797,588 and 1,225,944
Double scale
Find third proportional to 398,796 and 612,975
Similar ratio
Find third proportional to 598,191 and 919,458
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.