Home / 77,430-115,841

Finding the Third Proportional to 77,430 and 115,841

Calculator

Solution

The third proportional to 77,430 and 115,841 is: 173,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,430 : 115,841 = 115,841 : x
  2. Step 2: Convert to fraction form
    77,430/115,841 = 115,841/x
  3. Step 3: Cross multiply
    77,430x = 115,841 × 115,841
  4. Step 4: Simplify right side
    77,430x = 13,419,137,281
  5. Step 5: Solve for x
    x = 13,419,137,281/77,430
  6. Step 6: Final answer
    x = 173,306.69

Related Problems

Find third proportional to 38,715 and 57,920.50
Half scale
Find third proportional to 154,860 and 231,682
Double scale
Find third proportional to 77,432 and 115,844
Similar ratio
Find third proportional to 116,145 and 173,761.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.