Home / 77,768-160,720

Finding the Third Proportional to 77,768 and 160,720

Calculator

Solution

The third proportional to 77,768 and 160,720 is: 332,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,768 : 160,720 = 160,720 : x
  2. Step 2: Convert to fraction form
    77,768/160,720 = 160,720/x
  3. Step 3: Cross multiply
    77,768x = 160,720 × 160,720
  4. Step 4: Simplify right side
    77,768x = 25,830,918,400
  5. Step 5: Solve for x
    x = 25,830,918,400/77,768
  6. Step 6: Final answer
    x = 332,153.56

Related Problems

Find third proportional to 38,884 and 80,360
Half scale
Find third proportional to 155,536 and 321,440
Double scale
Find third proportional to 77,770 and 160,724
Similar ratio
Find third proportional to 116,652 and 241,080
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.