Home / 74,277-153,474

Finding the Third Proportional to 74,277 and 153,474

Calculator

Solution

The third proportional to 74,277 and 153,474 is: 317,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,277 : 153,474 = 153,474 : x
  2. Step 2: Convert to fraction form
    74,277/153,474 = 153,474/x
  3. Step 3: Cross multiply
    74,277x = 153,474 × 153,474
  4. Step 4: Simplify right side
    74,277x = 23,554,268,676
  5. Step 5: Solve for x
    x = 23,554,268,676/74,277
  6. Step 6: Final answer
    x = 317,113.89

Related Problems

Find third proportional to 37,138.50 and 76,737
Half scale
Find third proportional to 148,554 and 306,948
Double scale
Find third proportional to 74,279 and 153,478
Similar ratio
Find third proportional to 111,415.50 and 230,211
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.