Home / 128,334-186,669

Finding the Third Proportional to 128,334 and 186,669

Calculator

Solution

The third proportional to 128,334 and 186,669 is: 271,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,334 : 186,669 = 186,669 : x
  2. Step 2: Convert to fraction form
    128,334/186,669 = 186,669/x
  3. Step 3: Cross multiply
    128,334x = 186,669 × 186,669
  4. Step 4: Simplify right side
    128,334x = 34,845,315,561
  5. Step 5: Solve for x
    x = 34,845,315,561/128,334
  6. Step 6: Final answer
    x = 271,520.53

Related Problems

Find third proportional to 64,167 and 93,334.50
Half scale
Find third proportional to 256,668 and 373,338
Double scale
Find third proportional to 128,336 and 186,672
Similar ratio
Find third proportional to 192,501 and 280,003.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.