Home / 69,504-102,720

Finding the Third Proportional to 69,504 and 102,720

Calculator

Solution

The third proportional to 69,504 and 102,720 is: 151,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,504 : 102,720 = 102,720 : x
  2. Step 2: Convert to fraction form
    69,504/102,720 = 102,720/x
  3. Step 3: Cross multiply
    69,504x = 102,720 × 102,720
  4. Step 4: Simplify right side
    69,504x = 10,551,398,400
  5. Step 5: Solve for x
    x = 10,551,398,400/69,504
  6. Step 6: Final answer
    x = 151,809.94

Related Problems

Find third proportional to 34,752 and 51,360
Half scale
Find third proportional to 139,008 and 205,440
Double scale
Find third proportional to 69,506 and 102,723
Similar ratio
Find third proportional to 104,256 and 154,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.