Home / 91,652-137,720

Finding the Third Proportional to 91,652 and 137,720

Calculator

Solution

The third proportional to 91,652 and 137,720 is: 206,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,652 : 137,720 = 137,720 : x
  2. Step 2: Convert to fraction form
    91,652/137,720 = 137,720/x
  3. Step 3: Cross multiply
    91,652x = 137,720 × 137,720
  4. Step 4: Simplify right side
    91,652x = 18,966,798,400
  5. Step 5: Solve for x
    x = 18,966,798,400/91,652
  6. Step 6: Final answer
    x = 206,943.64

Related Problems

Find third proportional to 45,826 and 68,860
Half scale
Find third proportional to 183,304 and 275,440
Double scale
Find third proportional to 91,654 and 137,723
Similar ratio
Find third proportional to 137,478 and 206,580
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.