Home / 53,262-81,969

Finding the Third Proportional to 53,262 and 81,969

Calculator

Solution

The third proportional to 53,262 and 81,969 is: 126,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,262 : 81,969 = 81,969 : x
  2. Step 2: Convert to fraction form
    53,262/81,969 = 81,969/x
  3. Step 3: Cross multiply
    53,262x = 81,969 × 81,969
  4. Step 4: Simplify right side
    53,262x = 6,718,916,961
  5. Step 5: Solve for x
    x = 6,718,916,961/53,262
  6. Step 6: Final answer
    x = 126,148.42

Related Problems

Find third proportional to 26,631 and 40,984.50
Half scale
Find third proportional to 106,524 and 163,938
Double scale
Find third proportional to 53,264 and 81,972
Similar ratio
Find third proportional to 79,893 and 122,953.50
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.