Home / 79,568-107,680

Finding the Third Proportional to 79,568 and 107,680

Calculator

Solution

The third proportional to 79,568 and 107,680 is: 145,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,568 : 107,680 = 107,680 : x
  2. Step 2: Convert to fraction form
    79,568/107,680 = 107,680/x
  3. Step 3: Cross multiply
    79,568x = 107,680 × 107,680
  4. Step 4: Simplify right side
    79,568x = 11,594,982,400
  5. Step 5: Solve for x
    x = 11,594,982,400/79,568
  6. Step 6: Final answer
    x = 145,724.19

Related Problems

Find third proportional to 39,784 and 53,840
Half scale
Find third proportional to 159,136 and 215,360
Double scale
Find third proportional to 79,570 and 107,683
Similar ratio
Find third proportional to 119,352 and 161,520
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.