Home / 86,402-189,700

Finding the Third Proportional to 86,402 and 189,700

Calculator

Solution

The third proportional to 86,402 and 189,700 is: 416,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,402 : 189,700 = 189,700 : x
  2. Step 2: Convert to fraction form
    86,402/189,700 = 189,700/x
  3. Step 3: Cross multiply
    86,402x = 189,700 × 189,700
  4. Step 4: Simplify right side
    86,402x = 35,986,090,000
  5. Step 5: Solve for x
    x = 35,986,090,000/86,402
  6. Step 6: Final answer
    x = 416,496.03

Related Problems

Find third proportional to 43,201 and 94,850
Half scale
Find third proportional to 172,804 and 379,400
Double scale
Find third proportional to 86,404 and 189,704
Similar ratio
Find third proportional to 129,603 and 284,550
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.