Home / 57,928-127,120

Finding the Third Proportional to 57,928 and 127,120

Calculator

Solution

The third proportional to 57,928 and 127,120 is: 278,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928 : 127,120 = 127,120 : x
  2. Step 2: Convert to fraction form
    57,928/127,120 = 127,120/x
  3. Step 3: Cross multiply
    57,928x = 127,120 × 127,120
  4. Step 4: Simplify right side
    57,928x = 16,159,494,400
  5. Step 5: Solve for x
    x = 16,159,494,400/57,928
  6. Step 6: Final answer
    x = 278,958.27

Related Problems

Find third proportional to 28,964 and 63,560
Half scale
Find third proportional to 115,856 and 254,240
Double scale
Find third proportional to 57,930 and 127,124
Similar ratio
Find third proportional to 86,892 and 190,680
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.