Home / 66,892-103,278

Finding the Third Proportional to 66,892 and 103,278

Calculator

Solution

The third proportional to 66,892 and 103,278 is: 159,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,892 : 103,278 = 103,278 : x
  2. Step 2: Convert to fraction form
    66,892/103,278 = 103,278/x
  3. Step 3: Cross multiply
    66,892x = 103,278 × 103,278
  4. Step 4: Simplify right side
    66,892x = 10,666,345,284
  5. Step 5: Solve for x
    x = 10,666,345,284/66,892
  6. Step 6: Final answer
    x = 159,456.22

Related Problems

Find third proportional to 33,446 and 51,639
Half scale
Find third proportional to 133,784 and 206,556
Double scale
Find third proportional to 66,894 and 103,281
Similar ratio
Find third proportional to 100,338 and 154,917
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.