Home / 53,758-80,691

Finding the Third Proportional to 53,758 and 80,691

Calculator

Solution

The third proportional to 53,758 and 80,691 is: 121,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,758 : 80,691 = 80,691 : x
  2. Step 2: Convert to fraction form
    53,758/80,691 = 80,691/x
  3. Step 3: Cross multiply
    53,758x = 80,691 × 80,691
  4. Step 4: Simplify right side
    53,758x = 6,511,037,481
  5. Step 5: Solve for x
    x = 6,511,037,481/53,758
  6. Step 6: Final answer
    x = 121,117.55

Related Problems

Find third proportional to 26,879 and 40,345.50
Half scale
Find third proportional to 107,516 and 161,382
Double scale
Find third proportional to 53,760 and 80,694
Similar ratio
Find third proportional to 80,637 and 121,036.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.