Home / 38,120-58,640

Finding the Third Proportional to 38,120 and 58,640

Calculator

Solution

The third proportional to 38,120 and 58,640 is: 90,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120 : 58,640 = 58,640 : x
  2. Step 2: Convert to fraction form
    38,120/58,640 = 58,640/x
  3. Step 3: Cross multiply
    38,120x = 58,640 × 58,640
  4. Step 4: Simplify right side
    38,120x = 3,438,649,600
  5. Step 5: Solve for x
    x = 3,438,649,600/38,120
  6. Step 6: Final answer
    x = 90,205.92

Related Problems

Find third proportional to 19,060 and 29,320
Half scale
Find third proportional to 76,240 and 117,280
Double scale
Find third proportional to 38,122 and 58,643
Similar ratio
Find third proportional to 57,180 and 87,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.