Home / 91,454-134,720

Finding the Third Proportional to 91,454 and 134,720

Calculator

Solution

The third proportional to 91,454 and 134,720 is: 198,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,454 : 134,720 = 134,720 : x
  2. Step 2: Convert to fraction form
    91,454/134,720 = 134,720/x
  3. Step 3: Cross multiply
    91,454x = 134,720 × 134,720
  4. Step 4: Simplify right side
    91,454x = 18,149,478,400
  5. Step 5: Solve for x
    x = 18,149,478,400/91,454
  6. Step 6: Final answer
    x = 198,454.72

Related Problems

Find third proportional to 45,727 and 67,360
Half scale
Find third proportional to 182,908 and 269,440
Double scale
Find third proportional to 91,456 and 134,723
Similar ratio
Find third proportional to 137,181 and 202,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.