Home / 75,370-115,647

Finding the Third Proportional to 75,370 and 115,647

Calculator

Solution

The third proportional to 75,370 and 115,647 is: 177,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,370 : 115,647 = 115,647 : x
  2. Step 2: Convert to fraction form
    75,370/115,647 = 115,647/x
  3. Step 3: Cross multiply
    75,370x = 115,647 × 115,647
  4. Step 4: Simplify right side
    75,370x = 13,374,228,609
  5. Step 5: Solve for x
    x = 13,374,228,609/75,370
  6. Step 6: Final answer
    x = 177,447.64

Related Problems

Find third proportional to 37,685 and 57,823.50
Half scale
Find third proportional to 150,740 and 231,294
Double scale
Find third proportional to 75,372 and 115,650
Similar ratio
Find third proportional to 113,055 and 173,470.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.