Home / 86,034-129,087

Finding the Third Proportional to 86,034 and 129,087

Calculator

Solution

The third proportional to 86,034 and 129,087 is: 193,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,034 : 129,087 = 129,087 : x
  2. Step 2: Convert to fraction form
    86,034/129,087 = 129,087/x
  3. Step 3: Cross multiply
    86,034x = 129,087 × 129,087
  4. Step 4: Simplify right side
    86,034x = 16,663,453,569
  5. Step 5: Solve for x
    x = 16,663,453,569/86,034
  6. Step 6: Final answer
    x = 193,684.52

Related Problems

Find third proportional to 43,017 and 64,543.50
Half scale
Find third proportional to 172,068 and 258,174
Double scale
Find third proportional to 86,036 and 129,090
Similar ratio
Find third proportional to 129,051 and 193,630.50
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.