Home / 76,228-115,280

Finding the Third Proportional to 76,228 and 115,280

Calculator

Solution

The third proportional to 76,228 and 115,280 is: 174,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,228 : 115,280 = 115,280 : x
  2. Step 2: Convert to fraction form
    76,228/115,280 = 115,280/x
  3. Step 3: Cross multiply
    76,228x = 115,280 × 115,280
  4. Step 4: Simplify right side
    76,228x = 13,289,478,400
  5. Step 5: Solve for x
    x = 13,289,478,400/76,228
  6. Step 6: Final answer
    x = 174,338.54

Related Problems

Find third proportional to 38,114 and 57,640
Half scale
Find third proportional to 152,456 and 230,560
Double scale
Find third proportional to 76,230 and 115,283
Similar ratio
Find third proportional to 114,342 and 172,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.