Home / 57,520-126,120

Finding the Third Proportional to 57,520 and 126,120

Calculator

Solution

The third proportional to 57,520 and 126,120 is: 276,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520 : 126,120 = 126,120 : x
  2. Step 2: Convert to fraction form
    57,520/126,120 = 126,120/x
  3. Step 3: Cross multiply
    57,520x = 126,120 × 126,120
  4. Step 4: Simplify right side
    57,520x = 15,906,254,400
  5. Step 5: Solve for x
    x = 15,906,254,400/57,520
  6. Step 6: Final answer
    x = 276,534.33

Related Problems

Find third proportional to 28,760 and 63,060
Half scale
Find third proportional to 115,040 and 252,240
Double scale
Find third proportional to 57,522 and 126,124
Similar ratio
Find third proportional to 86,280 and 189,180
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.