Home / 79,320-122,764

Finding the Third Proportional to 79,320 and 122,764

Calculator

Solution

The third proportional to 79,320 and 122,764 is: 190,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320 : 122,764 = 122,764 : x
  2. Step 2: Convert to fraction form
    79,320/122,764 = 122,764/x
  3. Step 3: Cross multiply
    79,320x = 122,764 × 122,764
  4. Step 4: Simplify right side
    79,320x = 15,070,999,696
  5. Step 5: Solve for x
    x = 15,070,999,696/79,320
  6. Step 6: Final answer
    x = 190,002.52

Related Problems

Find third proportional to 39,660 and 61,382
Half scale
Find third proportional to 158,640 and 245,528
Double scale
Find third proportional to 79,322 and 122,767
Similar ratio
Find third proportional to 118,980 and 184,146
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.