Home / 74,264-115,170

Finding the Third Proportional to 74,264 and 115,170

Calculator

Solution

The third proportional to 74,264 and 115,170 is: 178,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,264 : 115,170 = 115,170 : x
  2. Step 2: Convert to fraction form
    74,264/115,170 = 115,170/x
  3. Step 3: Cross multiply
    74,264x = 115,170 × 115,170
  4. Step 4: Simplify right side
    74,264x = 13,264,128,900
  5. Step 5: Solve for x
    x = 13,264,128,900/74,264
  6. Step 6: Final answer
    x = 178,607.79

Related Problems

Find third proportional to 37,132 and 57,585
Half scale
Find third proportional to 148,528 and 230,340
Double scale
Find third proportional to 74,266 and 115,173
Similar ratio
Find third proportional to 111,396 and 172,755
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.