Home / 128,107-192,572

Finding the Third Proportional to 128,107 and 192,572

Calculator

Solution

The third proportional to 128,107 and 192,572 is: 289,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,107 : 192,572 = 192,572 : x
  2. Step 2: Convert to fraction form
    128,107/192,572 = 192,572/x
  3. Step 3: Cross multiply
    128,107x = 192,572 × 192,572
  4. Step 4: Simplify right side
    128,107x = 37,083,975,184
  5. Step 5: Solve for x
    x = 37,083,975,184/128,107
  6. Step 6: Final answer
    x = 289,476.57

Related Problems

Find third proportional to 64,053.50 and 96,286
Half scale
Find third proportional to 256,214 and 385,144
Double scale
Find third proportional to 128,109 and 192,575
Similar ratio
Find third proportional to 192,160.50 and 288,858
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.