Home / 91,442-199,972

Finding the Third Proportional to 91,442 and 199,972

Calculator

Solution

The third proportional to 91,442 and 199,972 is: 437,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,442 : 199,972 = 199,972 : x
  2. Step 2: Convert to fraction form
    91,442/199,972 = 199,972/x
  3. Step 3: Cross multiply
    91,442x = 199,972 × 199,972
  4. Step 4: Simplify right side
    91,442x = 39,988,800,784
  5. Step 5: Solve for x
    x = 39,988,800,784/91,442
  6. Step 6: Final answer
    x = 437,313.28

Related Problems

Find third proportional to 45,721 and 99,986
Half scale
Find third proportional to 182,884 and 399,944
Double scale
Find third proportional to 91,444 and 199,976
Similar ratio
Find third proportional to 137,163 and 299,958
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.