Home / 79,162-122,418

Finding the Third Proportional to 79,162 and 122,418

Calculator

Solution

The third proportional to 79,162 and 122,418 is: 189,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,162 : 122,418 = 122,418 : x
  2. Step 2: Convert to fraction form
    79,162/122,418 = 122,418/x
  3. Step 3: Cross multiply
    79,162x = 122,418 × 122,418
  4. Step 4: Simplify right side
    79,162x = 14,986,166,724
  5. Step 5: Solve for x
    x = 14,986,166,724/79,162
  6. Step 6: Final answer
    x = 189,310.11

Related Problems

Find third proportional to 39,581 and 61,209
Half scale
Find third proportional to 158,324 and 244,836
Double scale
Find third proportional to 79,164 and 122,421
Similar ratio
Find third proportional to 118,743 and 183,627
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.