Home / 52,128-80,880

Finding the Third Proportional to 52,128 and 80,880

Calculator

Solution

The third proportional to 52,128 and 80,880 is: 125,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128 : 80,880 = 80,880 : x
  2. Step 2: Convert to fraction form
    52,128/80,880 = 80,880/x
  3. Step 3: Cross multiply
    52,128x = 80,880 × 80,880
  4. Step 4: Simplify right side
    52,128x = 6,541,574,400
  5. Step 5: Solve for x
    x = 6,541,574,400/52,128
  6. Step 6: Final answer
    x = 125,490.61

Related Problems

Find third proportional to 26,064 and 40,440
Half scale
Find third proportional to 104,256 and 161,760
Double scale
Find third proportional to 52,130 and 80,883
Similar ratio
Find third proportional to 78,192 and 121,320
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.