Home / 83,908-129,633

Finding the Third Proportional to 83,908 and 129,633

Calculator

Solution

The third proportional to 83,908 and 129,633 is: 200,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,908 : 129,633 = 129,633 : x
  2. Step 2: Convert to fraction form
    83,908/129,633 = 129,633/x
  3. Step 3: Cross multiply
    83,908x = 129,633 × 129,633
  4. Step 4: Simplify right side
    83,908x = 16,804,714,689
  5. Step 5: Solve for x
    x = 16,804,714,689/83,908
  6. Step 6: Final answer
    x = 200,275.48

Related Problems

Find third proportional to 41,954 and 64,816.50
Half scale
Find third proportional to 167,816 and 259,266
Double scale
Find third proportional to 83,910 and 129,636
Similar ratio
Find third proportional to 125,862 and 194,449.50
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.