Home / 122,342-189,089

Finding the Third Proportional to 122,342 and 189,089

Calculator

Solution

The third proportional to 122,342 and 189,089 is: 292,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,342 : 189,089 = 189,089 : x
  2. Step 2: Convert to fraction form
    122,342/189,089 = 189,089/x
  3. Step 3: Cross multiply
    122,342x = 189,089 × 189,089
  4. Step 4: Simplify right side
    122,342x = 35,754,649,921
  5. Step 5: Solve for x
    x = 35,754,649,921/122,342
  6. Step 6: Final answer
    x = 292,251.64

Related Problems

Find third proportional to 61,171 and 94,544.50
Half scale
Find third proportional to 244,684 and 378,178
Double scale
Find third proportional to 122,344 and 189,092
Similar ratio
Find third proportional to 183,513 and 283,633.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.