Home / 74,750-115,430

Finding the Third Proportional to 74,750 and 115,430

Calculator

Solution

The third proportional to 74,750 and 115,430 is: 178,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750 : 115,430 = 115,430 : x
  2. Step 2: Convert to fraction form
    74,750/115,430 = 115,430/x
  3. Step 3: Cross multiply
    74,750x = 115,430 × 115,430
  4. Step 4: Simplify right side
    74,750x = 13,324,084,900
  5. Step 5: Solve for x
    x = 13,324,084,900/74,750
  6. Step 6: Final answer
    x = 178,248.63

Related Problems

Find third proportional to 37,375 and 57,715
Half scale
Find third proportional to 149,500 and 230,860
Double scale
Find third proportional to 74,752 and 115,433
Similar ratio
Find third proportional to 112,125 and 173,145
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.