Home / 74,720-115,692

Finding the Third Proportional to 74,720 and 115,692

Calculator

Solution

The third proportional to 74,720 and 115,692 is: 179,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,720 : 115,692 = 115,692 : x
  2. Step 2: Convert to fraction form
    74,720/115,692 = 115,692/x
  3. Step 3: Cross multiply
    74,720x = 115,692 × 115,692
  4. Step 4: Simplify right side
    74,720x = 13,384,638,864
  5. Step 5: Solve for x
    x = 13,384,638,864/74,720
  6. Step 6: Final answer
    x = 179,130.61

Related Problems

Find third proportional to 37,360 and 57,846
Half scale
Find third proportional to 149,440 and 231,384
Double scale
Find third proportional to 74,722 and 115,695
Similar ratio
Find third proportional to 112,080 and 173,538
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.